Document:

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                                                                   EXHIBIT 10.17

                             AMENDED AND RESTATED
                             EMPLOYMENT AGREEMENT
                             --------------------

     This Amended and Restated Employment Agreement (the "Agreement") is made,
entered into and is effective as of July 1, 2000 by and between Illinois PCS,
LLC, an Illinois limited liability company (the "Company"), Anthony R. Muscato
("Executive") and, for the limited purposes specified herein, iPCS, Inc., a
Delaware corporation (the "Parent").

                               WITNESSETH THAT:
                               ---------------

     WHEREAS, the Company desires to continue to employ Executive pursuant to
the terms and conditions set forth in this Agreement and Executive desires to
continue to be employed by the Company pursuant to the terms and conditions of
this Agreement;

     WHEREAS, the Company is contemplating a reorganization (the
"Reorganization") pursuant to which the Company will be merged into a corporate
subsidiary of the Parent (and following the Reorganization, such corporate
subsidiary, which will be the survivor of the merger, shall thereafter be
referred to herein as the Company);

     WHEREAS, following the Reorganization, an initial public offering of the
common stock of the Parent is contemplated (the "IPO");

     WHEREAS, the Company, Executive and Parent previously entered into an
Employment Agreement (the "Prior Agreement") as of March 20, 2000 (the
"Effective Date"); and

     WHEREAS, the Company and Executive desire to amend, restate and continue
the Prior Agreement in the form of this Agreement and for this Agreement to be
effective as of the Effective Date and to remain in full force and effect
subject to its terms whether or not the Reorganization is completed and whether
or not the IPO is consummated, provided that if the Reorganization is
consummated this Agreement will be assumed, by operation of law and without any
further action of any party, by the corporate subsidiary of the Parent as the
Company hereunder and will remain in full force and effect thereafter subject to
its terms.

     NOW THEREFORE, in consideration of the mutual covenants and agreements set
forth below, it is hereby covenanted and agreed by the Company, Executive and,
for the limited purposes specified, the Parent, as follows:

     1.   Employment Period.  Subject to the terms and conditions of this
          -----------------
Agreement, the Company hereby agrees to employ Executive during the Employment
Period (as defined below) and Executive hereby agrees to remain in the employ of
the Company and to provide services during the Employment Period in accordance
with this Agreement.  The "Initial Employment Period" shall be the period
beginning on the Effective Date and ending on the third anniversary
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thereof, unless sooner terminated as provided herein. At the conclusion of the
Initial Employment Period this Agreement shall automatically renew for
additional one year terms (each a "Renewal Employment Period" and together with
the Initial Employment Period, the "Employment Period") unless either party
gives notice of intent not to renew at least 90 days prior to the beginning of
any Renewal Employment Period.

     2.   Duties.  Executive agrees that during the Employment Period while
          ------
Executive is employed by the Company, Executive will devote Executive's full
business time, energies and talents to serving as the Senior Vice President and
Chief Technology Officer of the Company and the Parent and providing services
for the Company at the direction of the Company's President and Chief Executive
Officer, or his designee (the "CEO") or, for periods prior to the consummation
of the Reorganization, the Manager of the Company or his designee (the
"Manager").  Executive shall have such duties and responsibilities as may be
assigned to Executive from time to time by the Manager or CEO, as applicable,
shall perform all duties assigned to Executive faithfully and efficiently,
subject to the direction of the Manager or CEO, as applicable, and shall have
such authorities and powers as are inherent to the undertakings applicable to
Executive's position and necessary to carry out the responsibilities and duties
required of Executive hereunder.  Executive will perform the duties required by
this Agreement at the Company's principal place of business unless the nature of
such duties requires otherwise. The parties acknowledge and agree that the
Company is transitioning its principal place of business and that no later than
December 31, 2000, such principal place of business will be in the greater
Chicago metropolitan area.  Notwithstanding the foregoing, during the Employment
Period, Executive may devote reasonable time to activities other than those
required under this Agreement, including activities involving professional,
charitable, educational, religious and similar type activities to the extent
such activities do not, in the reasonable judgment of the Manager or CEO, as
applicable, inhibit, prohibit, interfere with or conflict with Executive's
duties under this Agreement or conflict in any material way with the business of
the Company and its affiliates; provided, however, that Executive shall not
serve on the board of directors of any business or hold any other position with
any business without receiving the prior written consent of the Manager or CEO,
as applicable, which consent may not be unreasonably withheld.

     3.   Compensation and Benefits.  Subject to the terms and conditions of
          -------------------------
this Agreement, during the Employment Period while Executive is employed by the
Company, the Company shall compensate Executive for Executive's services as
follows:

     (a)  Beginning on the date Executive commences employment with the Company
          Executive shall be compensated at an annual rate of $175,000 (the
          "Annual Base Salary"), which shall be payable in accordance with the
          normal payroll practices of the Company. Beginning on the January 1
          immediately following the Effective Date, and on each anniversary of
          such date, Executive's rate of Annual Base Salary shall be reviewed by
          the Manager or CEO, as applicable, and/or the Parent's Compensation
          Committee (the "Compensation Committee") and following such review,

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          the Annual Base Salary may be adjusted upward but in no event will be
          decreased.

     (b)  Executive shall be entitled to receive performance based annual
          incentive bonuses ("Incentive Bonus") from the Company in accordance
          with the Company's Executive Compensation Strategy and Incentive
          Design Plan as in effect from time to time (the "Incentive Bonus
          Plan"). The annual Incentive Bonus at the target level of performance
          will be 35% of the Annual Base Salary for the year in which the bonus
          relates (the "Target Incentive Bonus"). The annual Incentive Bonus may
          range from 50% to 200% of the Target Incentive Bonus based the level
          of the Company's and Executive's performance. In addition, the
          Incentive Bonus is subject to further adjustment as described below.

          After discussions with Executive, the Manager or CEO, as applicable,
          shall develop annual incentive goals that provide Executive with the
          opportunity to earn an annual Incentive Bonus. Such goals will be
          submitted to the governing body of the Company pursuant to the
          Company's Operating Agreement dated as of February 10, 1999 (as the
          same may be amended from time to time) (the "Operating Agreement") or
          the Compensation Committee, as applicable, for review, amendment (if
          necessary) and final approval. The first such goals will be delivered
          in writing to Executive prior to the Effective Date, or as soon
          thereafter as possible, and annually thereafter on or about December
          15 of each year. Within 45 days after the end of each fiscal year of
          the Company, the Manager or CEO, as applicable, shall review the goals
          for the prior year and develop recommendations as to the amount of
          Incentive Bonus Executive is eligible to receive based on the
          satisfaction of the applicable criteria. The Manager's or CEO's, as
          applicable, recommendation may include a request to either increase
          the Incentive Bonus by up to an additional 20% of the Target Bonus for
          outstanding performance or reduce the Incentive Bonus by up to 20% of
          the Target Bonus for less than satisfactory performance. All such
          recommendations will be submitted to the governing body of the Company
          pursuant to the Operating Agreement or the Compensation Committee, as
          applicable, for review, amendment (if necessary) and approval.
          Promptly after such final approval, Executive shall be notified of the
          outcome and, if applicable, any Incentive Bonus that was awarded shall
          be paid.

     (c)  As soon as practicable after the Reorganization, Executive shall be
          granted an option under the Parent's Amended and Restated 2000 Long
          Term Incentive Plan (the "Option Plan") to purchase 75,000 shares of
          the Parent's common stock (the "Stock Options"), at a purchase price
          equal to

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          the Fair Market Value (as defined in the Option Plan) as of the date
          of grant.

          The Stock Options shall be subject to the terms of the Option Plan and
          of the Award Agreement delivered in connection with the Option Plan.
          As of the date of grant, the Stock Options shall be fully vested and
          exercisable with respect to 6.25% of the shares of stock subject
          thereto multiplied by the number of full 90 day periods which have
          then elapsed since the Effective Date. Other stock options that may be
          granted shall be subject to the terms of the Option Plan and the Award
          Agreement delivered pursuant to the Option Plan. The Stock Options and
          other stock options that may be granted shall fully vest and become
          exercisable upon each of the following events: (i) a Change in Control
          (as defined in paragraph 4(h) below), (ii) Executive terminates this
          Agreement pursuant to paragraph 4(e), (iii) this Agreement is
          terminated due to Executive's death or Disability (as defined in
          paragraph 4(h) below). In addition, the Stock Options shall fully vest
          and become exercisable immediately upon the Company giving notice
          pursuant to paragraph 1 that the Company will not renew the Agreement
          beyond the Initial Employment Period.

     (d)  Except as otherwise specifically provided to the contrary in this
          Agreement, Executive shall be provided with pension and welfare fringe
          benefits to the same extent and on the same terms as those benefits
          are provided by the Company from time to time to the Company's other
          senior management employees and Executive shall be entitled to no less
          than four weeks' vacation for each calendar year.

     (e)  Executive shall be reimbursed by the Company, on terms and conditions
          that are substantially similar to those that apply to other similarly
          situated senior management employees of the Company, for reasonable
          out-of-pocket expenses for entertainment, travel, meals, lodging and
          similar items which are consistent with the Company's expense
          reimbursement policy and actually incurred by Executive in the
          promotion of the Company's business.

     (f)  The Company shall provide Executive with all other perquisites
          approved by the Manager or CEO, as applicable, from time to time,
          including without limitation, a car allowance of $600 per month. In
          addition, Executive shall be provided with the relocation assistance
          that is (i) awarded under the Company's relocation plan in effect from
          time to time, and (ii) communicated by the Company in writing to
          Executive.

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     (g)  The Company shall pay the reasonable costs and expenses incurred by
          Executive in reviewing, negotiating and preparing this Agreement, up
          to a maximum of $5,000.

     4.   Rights and Payments Upon Termination.  Executive's right to benefits
          ------------------------------------
and payments, if any, for periods after the date on which Executive's employment
with the Company and its affiliates terminates for any reason (the "Termination
Date") shall be determined in accordance with this paragraph 4:

     (a)  Minimum Payments.  If Executive's Termination Date occurs during the
          ----------------
          Employment Period for any reason, Executive shall be entitled to the
          following payments, in addition to any payments or benefits to which
          Executive may be entitled under the following provisions of this
          paragraph 4 (other than this paragraph (a)) or the express terms of
          any employee benefit plan or as required by law:

          (i)   Executive's earned but unpaid Annual Base Salary for the period
                ending on Executive's Termination Date;

          (ii)  Executive's earned but unpaid Incentive Bonus for the prior
                fiscal year;

          (iii) Executive's accrued but unpaid vacation pay for the period
                ending with Executive's Termination Date, as determined in
                accordance with the Company's policy as in effect from time to
                time; and

          (iv)  Executive's unreimbursed business expenses and all other items
                earned and owed to Executive through and including or benefits
                which have vested as of the Termination Date.

          Payments to be made to Executive pursuant to this paragraph 4(a) shall
          be made within 30 days after Executive's Termination Date. Except as
          may be otherwise expressly provided to the contrary in this Agreement
          or as otherwise provided by law, nothing in this Agreement shall be
          construed as requiring Executive to be treated as employed by the
          Company following Executive's Termination Date for purposes of any
          employee benefit plan or arrangement in which Executive may
          participate at such time.

     (b)  Termination By Company for Cause.  If Executive's Termination Date
          --------------------------------
          occurs during the Employment Period and is a result of the Company's
          termination of Executive's employment on account of Cause (as defined
          in paragraph 4(h) below), then, except as described in paragraph 4(a)
          or as agreed in writing between Executive and the Company, Executive
          shall

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          have no right to payments or benefits under this Agreement (and the
          Company shall have no obligation to make any such payments or provide
          any such benefits) for periods after Executive's Termination Date.

     (c)  Termination for Death or Disability.  If Executive's Termination Date
          -----------------------------------
          occurs during the Employment Period and is a result of Executive's
          death or Disability, then, except as described in paragraph 4(a) or as
          agreed in writing between Executive and the Company, Executive (or in
          the event of Executive's death, Executive's estate) shall be entitled
          to the following: (i) continuing payments of Executive's Annual Base
          Salary (payable in accordance with paragraph 3(a)), (ii) continuation
          of health benefits for, if applicable, Executive and Executive's
          dependents at a cost which is no greater than is charged to active
          employees of the Company and their dependents, which continuing health
          benefits shall be in addition to, and not part of, any health benefits
          required to be provided to Executive and Executive's dependents under
          Section 4980B of the Internal Revenue Code of 1986, as amended (the
          "Code"), and (iii) a lump sum payment equal to the Target Incentive
          Bonus, provided that the payments and benefits contemplated by the
          immediately preceding items (i) and (ii) shall commence on Executive's
          Termination Date and end on the earlier of (I) the first anniversary
          of Executive's Termination Date, or (II) if applicable, the date on
          which Executive violates the provisions of paragraphs 5 or 6 of this
          Agreement.

     (d)  Certain Terminations by the Company or Executive.  If Executive's
          ------------------------------------------------
          Termination Date occurs during the Employment Period and is a result
          of Executive's termination of employment (A) by the Company for any
          reason other than Cause (and is not on account of Executive's death,
          Disability, or voluntary resignation, the mutual agreement of the
          parties or pursuant to paragraph 4(e)), (B) by Executive following the
          Company's breach of this Agreement in any material respect and failure
          to cure the breach within 30 days after notice thereof from Executive,
          or (C) by Executive within 60 days after the Company relocates its
          principal place of business outside of the greater Chicago
          metropolitan area, then, except as described in paragraph 4(a) or as
          agreed in writing between Executive and the Company, Executive shall
          be entitled to the following payments and benefits: (i) continuing
          payments of Executive's Annual Base Salary (payable in accordance with
          paragraph 3(a)), (ii) continuation of health benefits for Executive
          and Executive's dependents at a cost which is no greater than is
          charged to active employees of the Company and their dependents, which
          continuing health benefits shall be in addition to, and not part of,
          any health benefits required to be provided to Executive and
          Executive's dependents under Section 4980B of the Code; (iii) a lump
          sum payment equal to the Target Incentive Bonus, and (iv) continued

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          vesting of any unvested stock options, provided that the payments and
          benefits contemplated by the immediately preceding items (i), (ii) and
          (iv) shall commence on Executive's Termination Date and end on the
          earlier of (I) the first anniversary of Executive's Termination Date,
          or (II) the date on which Executive violates the provisions of
          paragraphs 5 or 6 of this Agreement. Notice by the Company that the
          term of this Agreement will not be renewed will not result in
          Executive being eligible for any payments or benefits contemplated by
          this paragraph 4(d).

     (e)  Termination by Executive.  If Executive's Termination Date occurs
          ------------------------
          during the Employment Period, is within the one year period after a
          Change in Control, and is (A) a result of Executive's termination of
          employment by the Company for any reason other than Cause, or (B) a
          result of Executive terminating this Agreement for Good Reason (as
          defined in paragraph 4(h)), then, except as described in paragraph
          4(a) or as agreed in writing between Executive and the Company,
          Executive shall be entitled to the following payments and benefits:
          (i) a lump sum payment equal to two times Executive's Annual Base
          Salary; (ii) continuation of health benefits for Executive and
          Executive's dependents for a period of one year after Executive's
          Termination Date at a cost which is no greater than is charged to
          active employees of the Company and their dependents, which continuing
          health benefits shall be in addition to, and not part of, any health
          benefits required to be provided to Executive and Executive's
          dependents under Section 4980B of the Code; (iii) a lump sum payment
          equal to the Target Incentive Bonus, and (iv) immediate vesting of any
          and all stock options or other incentive awards held by Executive.

     (f)  Termination for Voluntary Resignation, Mutual Agreement or Other
          ----------------------------------------------------------------
          Reasons. If Executive's Termination Date occurs during the Employment
          -------
          Period and is a result of Executive's voluntary resignation, the
          mutual agreement of the parties, or any reason other than those
          specified in paragraphs (b), (c), (d) or (e) above, then, except as
          described in paragraph 4(a) or as agreed in writing between Executive
          and the Company, Executive shall have no right to payments or benefits
          under this Agreement (and the Company shall have no obligation to make
          any such payments or provide any such benefits) for periods after
          Executive's Termination Date.

     (g)  Excise Tax.  If any payment or benefit to which Executive is entitled
          ----------
          under this Agreement constitutes a "parachute payment" within the
          meaning of section 280G of the Code and, as a result thereof,
          Executive is subject to a tax under section 4999 of the Code or any
          similar tax or assessment (an "Excise Tax"), the Company shall pay to
          Executive an additional amount (the "Make-Whole Amount") which is
          intended to

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          make Executive whole for such Excise Tax. The Make-Whole Amount shall
          be equal to the sum of (i) the amount of the Excise Tax, plus (ii) all
                                                                   ----
          income, excise and other applicable taxes imposed on Executive under
          the laws of any Federal, state or local government or taxing authority
          by reason of the payments required under clause (i) and this clause
          (ii). The Make-Whole Amount payable with respect to an Excise Tax
          shall be paid by the Company coincident with the payment and benefits
          with respect to which such Excise Tax relates.

          If the Internal Revenue Service (the "IRS") subsequently adjusts the
          Excise Tax and as a result of such adjustment Executive owes
          additional Excise Tax, the Company shall pay such additional Make-
          Whole Amount that is necessary to make Executive whole (less any
          amounts received by Executive that Executive would not have received
          had the computation initially been computed as subsequently adjusted),
          including the value of any underpaid Excise Tax, and any related
          interest and/or penalties due to the IRS. If such adjustment by the
          IRS results in a refund of previously paid Excise Taxes to Executive,
          then Executive shall promptly pay the Company the amount of such
          refund.

     (h)  Definitions.  For purposes of this Agreement:
          -----------

          (i)   the term "Cause" shall mean (A) the continuous failure by
                Executive to substantially perform Executive's duties under this
                Agreement, as determined by the Manager or CEO, as applicable,
                and the Company's governing body or Board of Directors, as
                applicable, and after expiration of a cure period of 30 days
                following Executive's receipt of written notice from the Manager
                or CEO, as applicable, describing such failure; (B) the willful
                engaging by Executive in conduct which is demonstrably and
                materially injurious to the Company or its affiliates,
                monetarily or otherwise, as determined by the Company's
                governing body or Board of Directors, as applicable, (C) conduct
                by Executive that involves theft, fraud or dishonesty, (D)
                repeated instances of drug or alcohol abuse or unauthorized
                absences during scheduled work hours, or (E) Executive's
                violation of the provisions of paragraph 5 or 6 of this
                Agreement;

          (ii)  the term "Change in Control" shall mean a change in the
                beneficial ownership of the voting stock of the Parent or a
                change in the composition of the Parent's Board of Directors
                (the "Board") that occurs as follows:

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                (A)  any "Person" (as such term is used in Section 13(d) and
                     14(d)(2) of the Securities Exchange Act of 1934, as amended
                     (the "Exchange Act")), other than the Parent, any entity
                     owned, directly or indirectly, by the stockholders of the
                     Parent in substantially the same proportions as their
                     ownership of stock of the Parent, or any trustee or other
                     fiduciary holding securities under an employee benefit plan
                     of the Parent or its subsidiaries or such proportionately
                     owned corporation) becomes through acquisitions of
                     securities of the Parent after the Effective Date of the
                     Plan, the "beneficial owner" (as defined in Rule 13d-3
                     promulgated under the Exchange Act), directly or
                     indirectly, of securities of the Parent representing 50% or
                     more of the combined voting power of the then outstanding
                     securities of the Parent having the right to vote for the
                     election of directors;

                (B)  the stockholders of the Parent approve a merger or
                     consolidation of the Parent with any other corporation,
                     other than (I) a merger or consolidation which would result
                     in the voting securities of the Parent outstanding
                     immediately prior thereto continuing to represent (either
                     by remaining outstanding or by being converted into voting
                     securities of the surviving entity) more than 50% of the
                     combined voting power of the voting securities of the
                     Parent or such surviving entity outstanding immediately
                     after such merger or consolidation, or (II) a merger or
                     consolidation effected to implement a recapitalization of
                     the Parent (or similar transaction) in which no Person
                     acquires more than 15% of the then outstanding securities
                     of the Parent having the right to vote for the election of
                     directors;

                (C)  the stockholders of the Parent approve a plan of complete
                     liquidation of the Parent or an agreement for the sale or
                     disposition by the Parent of all or substantially all of
                     the assets of the Parent (or any transaction having a
                     similar effect); or

                (D)  during any 24 month period, individuals who at the
                     beginning of such period constitute the Board, and any new
                     director (other than a director designated by a Person who
                     has entered into an agreement with the Parent to effect a
                     transaction described in paragraph (A), (B) or (C) of this

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                     paragraph 4(h)(ii)) whose election by the Board or
                     nomination for election by the stockholders of the Parent
                     was approved by a vote of at least two-thirds of the
                     directors then still in office who either were directors at
                     the beginning of the period or whose election or nomination
                     for election was previously so approved, cease for any
                     reason to constitute at least a majority thereof.

          Notwithstanding the foregoing Executive acknowledges and agrees that
          neither the Reorganization nor the IPO itself shall constitute a
          Change in Control for purposes of this Agreement;

          (iii) the term "Good Reason" means the occurrence of any of the
                following in anticipation of or within the one year period
                immediately following a Change in Control: (A) the assignment to
                Executive of duties that are materially inconsistent with
                Executive's duties described in paragraph 2, including, without
                limitation, a material diminution or reduction in Executive's
                office or responsibilities or a reduction in Executive's rate of
                Annual Base Salary, bonus or other compensation or a change in
                Executive's reporting relationship, (B) the relocation of
                Executive to a location that is not within 50 miles of
                Executive's then current principal place of business, or (C) the
                failure of the Company to continue in effect any of the
                Company's annual and long-term incentive compensation plans or
                employee benefit or retirement plans, policies, practices, or
                other compensation arrangements in which Executive participates
                unless such failure to continue the plan, policy, practice or
                arrangement (I) is required by law, or (II) pertains to all plan
                participants generally and the lost value is being replaced by a
                new plan, policy, practice or arrangement of reasonably
                equivalent value; and

          (iv)  the term "Disability" shall mean the inability of Executive to
                continue to perform Executive's duties under this Agreement on a
                full-time basis as a result of mental or physical illness,
                sickness or injury for a period of 120 days within any 12-month
                period, as determined in the sole discretion of the Company's
                governing body or Board of Directors, as applicable.

Notwithstanding any other provision of this Agreement, Executive shall
automatically cease to be an officer of the Parent, the Company and their
respective affiliates as of Executive's Termination Date and, to the extent
permitted by applicable law, any and all monies that Executive owes to the
Company shall be repaid to the extent possible, through deduction of such
amounts from any post-termination payments owed to

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Executive pursuant to this Agreement. Notwithstanding any other provision of
this Agreement, the Company may suspend Executive from performing Executive's
duties under this Agreement; provided, however, that during the period of
suspension (which shall end no later than Executive's Termination Date),
Executive shall continue to be treated as an employee of the Company for other
purposes, and Executive's rights to compensation or benefits hereunder shall be
in effect. Other than as expressly provided in paragraphs 4(c) and (d), post-
termination benefits may not be suspended or not paid.

     5.   Confidential Information.  Executive agrees that:
          ------------------------

     (a)  Except as may be required by the lawful order of a court or agency of
          competent jurisdiction, or except to the extent that Executive has
          express authorization from the Company, Executive agrees to keep
          secret and confidential indefinitely all non-public information
          (including, without limitation, information regarding litigation and
          pending litigation) concerning the Company and its affiliates
          (collectively, "Confidential Information") which was acquired by or
          disclosed to Executive during the course of Executive's employment
          with the Company and not to disclose the same, either directly or
          indirectly, to any other person, firm, or business entity, or to use
          it in any way.

     (b)  Confidential Information does not include (i) information which, at
          the time of disclosure is published, known publicly or is otherwise in
          the public domain, through no fault of Executive; (ii) information
          which, after disclosure is published or becomes known publicly or
          otherwise becomes part of the public domain, through no fault of
          Executive; and (iii) information which is required to be disclosed in
          compliance with applicable laws or regulations or by order of a court
          or other regulatory body of competent jurisdiction.

     (c)  To the extent that any court or agency seeks to have Executive
          disclose Confidential Information, Executive shall promptly inform the
          Company, and Executive shall take such reasonable steps to prevent
          disclosure of Confidential Information until the Company has been
          informed of such requested disclosure, and the Company has an
          opportunity to respond to such court or agency. To the extent that
          Executive obtains information on behalf of the Company or any of its
          affiliates that may be subject to attorney-client privilege as to the
          Company's attorneys, Executive shall follow the guidelines provided by
          the Company's legal counsel on maintaining the confidentiality of such
          information and to preserve such privilege.

     (d)  Nothing in the foregoing provisions of this paragraph 5 shall be
          construed so as to prevent Executive from using, in connection with
          Executive's

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          employment for himself or an employer other than the Company and its
          affiliates, knowledge which was acquired by Executive during the
          course of Executive's employment with the Company and its affiliates
          and which is generally known to persons of Executive's experience in
          other companies in the same industry.

     6.   Noncompetition and Nonsolicitation.  While Executive is employed by
          ----------------------------------
the Company and its affiliates, and for a period of 12 months after Executive's
Termination Date, Executive agrees that:

     (a)  Executive will not, directly or indirectly engage in, assist, perform
          services for, establish or open, or have any equity interest (other
          than ownership of 5% or less of the outstanding stock of any
          corporation listed on the New York or American Stock Exchange or
          included in the National Association of Securities Dealers Automated
          Quotation System) in any person, firm, corporation, partnership or
          business entity (whether as an employee, officer, partner, director,
          agent, security holder, creditor, consultant, or otherwise) that
          engages in the Restricted Business (as defined below) in the
          Restricted Territory (as defined below);

     (b)  Executive will not, directly or indirectly, for himself or on behalf
          of or in conjunction with any other person, firm, corporation,
          partnership or business entity, solicit or attempt to solicit any
          party who is then or, during the 12-month period prior to such
          solicitation or attempt by Executive was (or was solicited to become),
          a customer of the Company, provided that the restriction in this
          paragraph (b) shall not apply to any activity on behalf of a business
          that is not a Restricted Business; and

     (c)  Executive will not (and will not attempt to) solicit, entice, persuade
          or induce any individual who is employed by the Company or its
          affiliates to terminate or refrain from renewing or extending such
          employment or to become employed by or enter into contractual
          relations with any other individual or entity other than the Company
          or its affiliates, and Executive shall not approach any such employee
          for any such purpose or authorize or knowingly cooperate with the
          taking of any such actions by any other individual or entity.

For purposes of this Agreement the term (a) "Restricted Business" means the
business of providing wireless telecommunication services or any other business
in which the Company is materially engaged on Executive's Termination Date, and
(b) "Restricted Territory" means all of the basic trading areas (as defined in
the Rand McNally Commercial Atlas and Marketing Guide or the successor thereto)
in which the Company has been granted the right to carry on the Restricted
Business.

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     7.   Equitable Remedies.  Executive acknowledges that the Company would be
          ------------------
irreparably injured by a violation of paragraphs 5 or 6 hereof and Executive
agrees that the Company, in addition to any other remedies available to it for
such breach or threatened breach, shall be entitled to a preliminary injunction,
temporary restraining order, or other equivalent relief, restraining Executive
from any actual or threatened breach of either paragraph 5 or 6.  If a bond is
required to be posted in order for the Company to secure an injunction or other
equitable remedy, the parties agree that said bond need not be more than a
nominal sum.

     8.   Notices.  Any notices provided for in this Agreement shall be in
          -------
writing and shall be deemed to have been duly received when delivered in person
or sent by facsimile transmission, on the first business day after it is sent by
air express courier service or on the second business day following deposit in
the United States registered or certified mail, return receipt requested,
postage prepaid and addressed, in the case of Executive, to the most recent home
address reflected in the Company's records and, in the case of the Company, to
its principal executive offices (attention Manager or CEO, as applicable), or
such other address as either party may have furnished to the other in writing in
accordance herewith, except that a notice of change of address shall be
effective only upon actual receipt.

     9.   Withholding.  All compensation payable under this Agreement shall be
          -----------
subject to customary withholding taxes and other employment taxes as required
with respect to compensation paid by a corporation to an employee and the amount
of compensation payable hereunder shall be reduced appropriately to reflect the
amount of any required withholding.  Except as specifically required herein, the
Company shall have no obligation to make any payments to Executive or to make
Executive whole for the amount of any required taxes.

     10.  Successors.  This Agreement shall be binding on, and inure to the
          ----------
benefit of, the Company and its successors and assigns and any person acquiring,
whether by merger, reorganization, consolidation, by purchase of assets or
otherwise, all or substantially all of the assets of the Company. To the extent
applicable, this Agreement shall be binding on, and inure to the benefit of, the
Parent and its successors and assigns and any person acquiring, whether by
merger, reorganization, consolidation, by purchase of assets or otherwise, all
or substantially all of the assets of the Parent.

     11.  Nonalienation.  The interests of Executive under this Agreement are
          -------------
not subject to the claims of Executive's creditors, other than the Company, and
may not otherwise be voluntarily or involuntarily assigned, alienated or
encumbered.

     12.  Waiver of Breach. The waiver by the Company, the Parent or Executive
          ----------------
of a breach of any provision of this Agreement shall not operate as or be deemed
a waiver by such party of any subsequent breach.  Continuation of payments
hereunder by the Company following a breach by Executive of any provision of
this Agreement shall not

                                      -13-
<PAGE>

preclude the Company from thereafter terminating said payments based upon the
same violation.

     13.  Severability.  It is mutually agreed and understood by the parties
          ------------
that should any of the agreements and covenants contained herein be determined
by any court of competent jurisdiction to be invalid by virtue of being vague or
unreasonable, including but not limited to the provisions of paragraphs 5 or 6,
then the parties hereto consent that this Agreement shall be amended retroactive
to the date of its execution to include the terms and conditions said court
deems to be reasonable and in conformity with the original intent of the parties
and the parties hereto consent that under such circumstances, said court shall
have the power and authority to determine what is reasonable and in conformity
with the original intent of the parties to the extent that said covenants and/or
agreements are enforceable.

     14.  Prevailing Party.  In the event of any action, proceeding or
          ----------------
litigation (collectively, the "Action") between the parties arising out of or in
relation to this Agreement, the prevailing party in such Action, shall be
entitled to recover, in addition to any damages, injunctions, or other relief
and without regard to whether the Action is prosecuted to final appeal, all of
its costs and expenses including, without limitation, reasonable attorney's
fees, from the non-prevailing party.

     15.  Applicable Law.  This Agreement shall be construed in accordance with
          --------------
the laws of the State of Illinois, without regard to conflict of law principles.

     16.  Amendment.  This Agreement may be amended or cancelled by mutual
          ---------
Agreement of the parties in writing without the consent of any other person.

     17.  Counterparts.  This Agreement may be executed in any number of
          ------------
counterparts, each of which when so executed and delivered shall be an original,
but all such counterparts shall together constitute one and the same instrument.
Each counterpart may consist of a copy hereof containing multiple signature
pages, each signed by one party hereto, but together signed by both of the
parties hereto.

     18.  Other Agreements.  This Agreement constitutes the sole and complete
          ----------------
Agreement between or among the Company, the Parent and Executive and supersedes
all other prior or contemporaneous agreements, both oral and written, between or
among the Company, the Parent and Executive with respect to the matters
contained herein including, without limitation any severance agreements or
arrangements between the parties.  No verbal or other statements, inducements,
or representations have been made to or relied upon by Executive. The parties
have read and understand this Agreement.

                                      -14-
<PAGE>

     IN WITNESS THEREOF, Executive has hereunto set Executive's hand, and the
Company has caused these presents to be executed in its name and on its behalf,
all as of the day and year first above written.

                              Illinois PCS, LLC

                              By: /s/ Timothy M. Yager
                                 ---------------------------------------------
                              Its:    President and Chief Executive Officer
                                  --------------------------------------------

                              EXECUTIVE

                              /s/ Anthony R. Muscato
                              ------------------------------------------------
                              Anthony R. Muscato

     IN WITNESS THEREOF, the Parent has caused these presents to be executed in
its name and on its behalf, all as of the day and year first above written, for
the limited purposes specified herein.

                              iPCS, Inc.

                              By: /s/ Timothy M. Yager
                                  --------------------------------------------
                              Its:    President and Chief Executive Officer
                                   -------------------------------------------

                                      -15-<PAGE>

                                                                   EXHIBIT 10.18

                                  iPCS, INC.

                             iPCS EQUIPMENT, INC.
                              iPCS WIRELESS, INC.

                                 $300,000,000

                          300,000 Units Consisting of
                      14% Senior Discount Notes due 2010
           and Warrants to Purchase 2,982,699 Shares of Common Stock

                              PURCHASE AGREEMENT

                                 June 29, 2000

                         DONALDSON, LUFKIN & JENRETTE
                            SECURITIES CORPORATION
                           TD SECURITIES (USA) INC.
<PAGE>

                                 $300,000,000

                                  iPCS, INC.

                             iPCS EQUIPMENT, INC.
                              iPCS WIRELESS, INC.

                          300,000 Units Consisting of
                      14% Senior Discount Notes due 2010
           and Warrants to Purchase 2,982,699 Shares of Common Stock

                              PURCHASE AGREEMENT

                                                                   June 29, 2000

DONALDSON, LUFKIN & JENRETTE
    SECURITIES CORPORATION
TD SECURITIES (USA) INC.
c/o Donaldson, Lufkin & Jenrette
    Securities Corporation
277 Park Avenue
New York, New York 10172

Dear Sirs:

          iPCS, Inc., a Delaware corporation (the "Company"), proposes to issue
                                                   -------
and sell to Donaldson, Lufkin & Jenrette Securities Corporation ("DLJ") and TD
Securities (USA) Inc. (each, an "Initial Purchaser" and collectively, the
                                 -----------------
"Initial Purchasers") 300,000 units (the "Units"), each consisting of $1,000 in
 ------------------                       -----
aggregate principal amount at maturity of the Company's 14% Senior Discount
Notes due 2010 (the "Initial Notes"), and one warrant (a "Warrant," and all such
                     -------------                        -------
warrants being hereinafter referred to, collectively, as the "Warrants") to
                                                              --------
purchase 9.94233 shares of the Company's common stock, par value $0.01 per share
("Common Stock"), subject to the terms and conditions set forth herein.  The
  ------------
Initial Notes are to be issued pursuant to the provisions of an indenture (the
"Indenture"), to be dated as of the Closing Date (as defined below), among the
 ---------
Company, the Guarantors

                                       2
<PAGE>

(as defined below) and the trustee under the Indenture, as trustee (the
"Trustee"). The Initial Notes and the Exchange Notes (as defined below) issuable
 -------
in exchange therefor are collectively referred to herein as the "Notes."  The
                                                                 -----
Notes will be guaranteed (the "Guarantees") by iPCS Equipment, Inc., a Delaware
                               ----------
corporation ("Equipment"), iPCS Wireless, Inc., a Delaware corporation
              ---------
("Wireless"), and by future subsidiaries of the Company that become Restricted
  --------
Subsidiaries (as defined in the Indenture) other than Foreign Subsidiaries (as
defined in the Indenture) (each of Wireless, Equipment and such future
subsidiaries is referred to as a "Guarantor" and collectively as the
                                  ---------
"Guarantors").  The Warrants will be issued pursuant to a warrant agreement (the
 ----------
"Warrant Agreement"), to be dated as of the Closing Date, between the Company
 -----------------
and the warrant agent under the Warrant Agreement, as warrant agent (the
"Warrant Agent").  The shares of Common Stock issuable upon exercise of the
 -------------
Warrants are referred to herein, collectively, as the "Warrant Shares." The
                                                       --------------
Units, the Notes, the Guarantees and the Warrants are referred to herein,
collectively, as the "Securities."  Capitalized terms used but not defined
                      ----------
herein shall have the meanings given to such terms in the Indenture or Warrant
Agreement, as applicable.

          In addition, Wireless, as borrower, and the Company and Equipment, as
guarantors, expect to enter into a credit agreement (the "Credit Agreement")
                                                          ----------------
with several lending institutions that from time to time will be parties thereto
(the "Lenders"), Toronto Dominion (Texas), Inc., as administrative agent, and
      -------
General Electric Capital Corporation, as syndication agent.  The Credit
Agreement will provide for senior credit facilities in an aggregate amount of at
least $140,000,000 (the debt financing being provided to the Company under the
Credit Agreement being hereinafter referred to as the "Senior Financing").  The
                                                       ----------------
Company also expects to enter into an investment agreement (the "Investment
                                                                 ----------
Agreement") with Blackstone Capital Partners III Merchant Banking Fund L.P.
---------
and/or affiliated funds to provide for the purchase and sale of shares of Series
A-1 and Series A-2 Convertible Preferred Stock, par value $0.01 per share (the
"Convertible Preferred Stock"), of the Company for an aggregate purchase price
 ---------------------------
of up to $120.0 million (the financing to be provided to the Company under the
Investment Agreement being hereinafter referred to as the "Equity Financing").
                                                           ----------------

          1.   Offering Memorandum.  The Units will be offered and sold to the
               -------------------
Initial Purchasers pursuant to one or more exemptions from the registration
requirements under the Securities Act of 1933, as amended (the "Act").  The
                                                                ---
Company and the Guarantors have prepared a preliminary offering memorandum,
dated June 29, 2000 (the "Preliminary Offering Memorandum") and a final offering
                          -------------------------------
memorandum, to be dated, if practicable by the exercise of the Company's and the

                                       3
<PAGE>

Guarantors' reasonable best efforts to prepare such final offering memorandum,
no later than July 7, 2000, and,  in any event, no later than July 10, 2000 (the
"Offering Memorandum"), relating to the Units.
 -------------------

          Upon original issuance thereof, and until such time as the same is no
longer required pursuant to the Indenture and the Warrant Agreement, the Initial
Notes and the Warrants (and, as to both the Initial Notes and the Warrants, all
securities issued in exchange therefor, in substitution thereof or upon
conversion thereof) shall bear a legend in substantially the following form,
together with such other legends as may be set forth in the Indenture or Warrant
Agreement, as applicable:

          "THIS SECURITY HAS NOT BEEN REGISTERED UNDER THE U.S. SECURITIES ACT
     OF 1933, AS AMENDED (THE "ACT"), AND, ACCORDINGLY, MAY NOT BE OFFERED,
     SOLD, PLEDGED OR OTHERWISE TRANSFERRED WITHIN THE UNITED STATES OR TO, OR
     FOR THE ACCOUNT OR BENEFIT OF, U.S. PERSONS, EXCEPT AS SET FORTH IN THE
     NEXT SENTENCE.   BY ITS ACQUISITION HEREOF OR OF A BENEFICIAL INTEREST
     HEREIN, THE HOLDER:

          (1)  REPRESENTS THAT (i) IT IS A "QUALIFIED INSTITUTIONAL BUYER" (AS
          DEFINED IN RULE 144A UNDER THE ACT)(A "QIB"), (ii) IT HAS ACQUIRED
          THIS NOTE IN AN OFFSHORE TRANSACTION IN COMPLIANCE WITH REGULATION S
          UNDER THE ACT OR (iii) IT IS AN INSTITUTIONAL "ACCREDITED INVESTOR"
          (AS DEFINED IN RULE 501(A)(1), (2), (3) OR (7) OF REGULATION D UNDER
          THE ACT) (AN "IAI"),

          (2)  AGREES THAT IT WILL NOT RESELL OR OTHERWISE TRANSFER THIS
          SECURITY EXCEPT (i) TO THE COMPANY OR ANY OF ITS SUBSIDIARIES, (ii) TO
          A PERSON WHOM THE SELLER REASONABLY BELIEVES IS A QIB PURCHASING FOR
          ITS OWN ACCOUNT OR FOR THE ACCOUNT OF A QIB IN A TRANSACTION MEETING
          THE REQUIREMENTS OF RULE 144A, (iii) IN AN OFFSHORE TRANSACTION
          MEETING THE REQUIREMENTS OF RULE 903 OR 904 OF THE ACT, (iv) IN A
          TRANSACTION MEETING THE REQUIREMENTS OF RULE 144 UNDER THE ACT, (v) TO
          AN IAI THAT, PRIOR TO

                                       4
<PAGE>

          SUCH TRANSFER, FURNISHES THE TRUSTEE A SIGNED LETTER CONTAINING
          CERTAIN REPRESENTATIONS AND AGREEMENTS RELATING TO THE TRANSFER OF
          THIS SECURITY (THE FORM OF WHICH CAN BE OBTAINED FROM THE TRUSTEE)
          AND, IF SUCH TRANSFER IS IN RESPECT OF AN AGGREGATE PRINCIPAL AMOUNT
          OF NOTES LESS THAN $250,000, OR ANY WARRANTS OR WARRANT SHARES, AN
          OPINION OF COUNSEL ACCEPTABLE TO THE COMPANY THAT SUCH TRANSFER IS IN
          COMPLIANCE WITH THE ACT, (vi) IN ACCORDANCE WITH ANOTHER EXEMPTION
          FROM THE REGISTRATION REQUIREMENTS OF THE ACT (AND BASED UPON AN
          OPINION OF COUNSEL ACCEPTABLE TO THE COMPANY) OR (vii) PURSUANT TO AN
          EFFECTIVE REGISTRATION STATEMENT AND, IN EACH CASE, IN ACCORDANCE WITH
          THE APPLICABLE SECURITIES LAWS OF ANY STATE OF THE UNITED STATES OR
          ANY OTHER APPLICABLE JURISDICTION AND

          (3)  AGREES THAT IT WILL DELIVER TO EACH PERSON TO WHOM THIS SECURITY
          OR AN INTEREST HEREIN IS TRANSFERRED A NOTICE SUBSTANTIALLY TO THE
          EFFECT OF THIS LEGEND.

     AS USED HEREIN, THE TERMS "OFFSHORE TRANSACTION" AND "UNITED STATES" HAVE
     THE MEANINGS GIVEN TO THEM BY RULE 902 OF REGULATION S UNDER THE ACT. THE
     INDENTURE AND THE WARRANT AGREEMENT CONTAIN PROVISIONS REQUIRING THE
     TRUSTEE OR THE WARRANT AGENT TO REFUSE TO REGISTER ANY TRANSFER OF THESE
     SECURITIES IN VIOLATION OF THE FOREGOING."

          2.   Agreements to Sell and Purchase.  On the basis of the
               -------------------------------
representations, warranties and covenants contained in this Agreement, and
subject to the terms and conditions contained herein, the Company and the
Guarantors agree to issue and sell to the Initial Purchasers, and each Initial
Purchaser severally, and not jointly, agrees to purchase from the Company and
the Guarantors the number of Units set forth opposite the name of such Initial
Purchaser in Schedule A hereto at a purchase price equal to $489.99805 per Unit
(the "Purchase Price").
      --------------

                                       5
<PAGE>

          3.   Terms of Offering.  The Initial Purchasers have advised the
               -----------------
Company that the Initial Purchasers will make offers (the "Exempt Resales") of
                                                           --------------
the Units purchased hereunder on the terms set forth in the Offering Memorandum,
as amended or supplemented, solely to (i) persons whom the Initial Purchaser
reasonably believe to be "qualified institutional buyers" as defined in Rule
144A under the Act ("QIBs") and (ii) persons permitted to purchase Units in
                     ----
offshore transactions in reliance upon Regulation S under the Act (each, a
"Regulation S Purchaser") (such persons specified in clauses (i) and (ii) being
 ----------------------
referred to herein as the "Eligible Purchasers").  The Initial Purchasers will
                           -------------------
offer the Units to Eligible Purchasers initially at a price equal to $507.77 per
Unit.  Such price may be changed at any time without notice.

          Holders (including subsequent transferees) of the Units will have the
registration rights set forth in the registration rights agreement (the "Notes
                                                                         -----
Registration Rights Agreement"), to be dated the Closing Date, in substantially
-----------------------------
the form of Exhibit A hereto, and the registration rights agreement (the
            ---------
"Warrant Registration Rights Agreement") to be dated as of the Closing Date,
 -------------------------------------
substantially in the form of Exhibit B hereto, for so long as such Initial
                             ---------
Notes, Warrants or Warrant Shares constitute "Transfer Restricted Securities"
                                              ------------------------------
(as defined in the Notes Registration Rights Agreement and the Warrant
Registration Rights Agreement, as applicable).  Pursuant to the Notes
Registration Rights Agreement and the Warrant Registration Rights Agreement, (i)
the Company and the Guarantors will agree to file with the Securities and
Exchange Commission (the "Commission") under the circumstances set forth
                          ----------
therein, (x) a registration statement under the Act (the "Exchange Offer
                                                          --------------
Registration Statement") relating to the Company's 14% Senior Discount Notes due
----------------------
2010 (the "Exchange Notes"), to be offered in exchange for the Initial Notes
           --------------
(such offer to exchange being referred to as the "Exchange Offer") and the
                                                  --------------
Guarantees thereof and (y) a shelf registration statement pursuant to Rule 415
under the Act (the "Notes Shelf Registration Statement" and, together with the
                    ----------------------------------
Exchange Offer Registration Statement, the "Notes Registration Statements")
                                            -----------------------------
relating to the resale by certain holders of the Initial Notes and to use their
respective reasonable best efforts to cause such Notes Registration Statements
to be declared and remain effective and usable for the periods specified in the
Notes Registration Rights Agreement and to consummate the Exchange Offer and
(ii) the Company will agree to file with the Commission under the circumstances
set forth therein a registration statement pursuant to Rule 415 under the Act
(the "Warrant Shelf Registration Statement") relating to the resale of the
      ------------------------------------
Warrants, the issuance of shares of Common Stock upon exercise of the Warrants
and the resale of the Warrant Shares and to use its reasonable best efforts to
cause such Warrant Shelf Registration Statement to be declared and remain
effective and usable for the periods specified in

                                       6
<PAGE>

the Warrant Registration Rights Agreement. This Agreement, the Indenture, the
Notes, the Guarantees, the Warrants, the Warrant Agreement, the Notes
Registration Rights Agreement and the Warrant Registration Rights Agreement are
hereinafter sometimes referred to collectively as the "Operative Documents."
                                                       -------------------

          4.   Delivery and Payment.
               --------------------

               (a)  Delivery of, and payment of the Purchase Price for, the
Units shall be made at the offices of Skadden, Arps, Slate, Meagher & Flom
(Illinois), 333 West Wacker Drive, Chicago, Illinois, or such other location as
may be mutually acceptable. Such delivery and payment shall be made at 9:00 a.m.
New York City time, on July 12, 2000, or at such other time on the same date or
such other date as shall be agreed upon by the Initial Purchasers and the
Company in writing. The time and date of such delivery and the payment for the
Units are herein called the "Closing Date."
                             ------------

               (b)  One or more of the Initial Notes in definitive global form
and one or more of the Warrants in definitive global form, in each case
registered in the name of Cede & Co., as nominee of the Depository Trust Company
("DTC"), having, in the case of the Initial Notes, an aggregate principal amount
  ---
corresponding to the aggregate principal amount of the Initial Notes
(collectively, the "Global Note") and representing, in the case of the Warrants,
                    -----------
the right to purchase the number of Warrant Shares corresponding to the
aggregate number of Warrant Shares (collectively, the "Global Warrant"), shall
                                                       --------------
be delivered by the Company to the Initial Purchasers (or as the Initial
Purchasers direct) in each case with any transfer taxes thereon duly paid by the
Company against payment by the Initial Purchasers of the Purchase Price thereof
by wire transfer in same day funds to the order of the Company.  The Global Note
and the Global Warrant shall be made available to the Initial Purchasers for
inspection not later than 9:30 a.m., New York City time, on the business day
immediately preceding the Closing Date.

          5.   Agreements of the Company and the Guarantors.  Each of the
               ---------------------------------------------
Company and the Guarantors hereby agrees with the Initial Purchasers as follows:

               (a)  To advise the Initial Purchasers promptly and, if requested
by the Initial Purchasers, confirm such advice in writing, (i) of the issuance
by any state securities commission of any stop order suspending the
qualification or exemption from qualification of any Securities for offering or
sale in any jurisdiction designated by the Initial Purchasers pursuant to
Section 5(e) hereof, or the initiation

                                       7
<PAGE>

of any proceeding by any state securities commission or any other federal or
state regulatory authority for such purpose and (ii) of the happening of any
event during the period referred to in Section 5(c) below that makes any
statement of a material fact made in the Preliminary Offering Memorandum or the
Offering Memorandum untrue or that requires any additions to or changes in the
Preliminary Offering Memorandum or the Offering Memorandum in order to make the
statements therein not misleading. The Company and the Guarantors shall use
their best efforts to prevent the issuance of any stop order or order suspending
the qualification or exemption of any Securities under any state securities or
Blue Sky laws and, if at any time any state securities commission or other
federal or state regulatory authority shall issue an order suspending the
qualification or exemption of any Securities under any state securities or Blue
Sky laws, the Company and the Guarantors shall use their best efforts to obtain
the withdrawal or lifting of such order at the earliest possible time.

               (b)  To furnish the Initial Purchasers and those persons
identified by the Initial Purchasers to the Company as many copies of the
Preliminary Offering Memorandum and the Offering Memorandum, and any amendments
or supplements thereto, as the Initial Purchasers may reasonably request for the
time period specified in Section 5(c). Subject to the Initial Purchasers'
compliance with its representations and warranties and agreements set forth in
Section 7 hereof, the Company consents to the use of the Preliminary Offering
Memorandum and the Offering Memorandum, and any amendments and supplements
thereto required pursuant hereto, by the Initial Purchasers in connection with
Exempt Resales.

               (c)  During such period as in the opinion of counsel for the
Initial Purchasers an Offering Memorandum is required by law to be delivered in
connection with Exempt Resales by the Initial Purchasers and in connection with
market-making activities of the Initial Purchasers for so long as any Securities
are outstanding, (i) not to make any amendment or supplement to the Offering
Memorandum of which the Initial Purchasers shall not previously have been
advised or to which the Initial Purchasers shall reasonably object after being
so advised and (ii) to prepare promptly upon the Initial Purchasers' reasonable
request, any amendment or supplement to the Offering Memorandum which may be
necessary or advisable in connection with such Exempt Resales or such market-
making activities.

               (d)  If, during the period referred to in Section 5(c) above, any
event shall occur or condition shall exist as a result of which, in the opinion
of counsel to the Initial Purchasers, it becomes necessary to amend or
supplement the

                                       8
<PAGE>

Offering Memorandum in order to make the statements therein, in the light of the
circumstances when such Offering Memorandum is delivered to an Eligible
Purchaser, not misleading, or if, in the opinion of counsel to the Initial
Purchasers, it is necessary to amend or supplement the Offering Memorandum to
comply with any applicable law, forthwith to prepare an appropriate amendment or
supplement to such Offering Memorandum so that the statements therein, as so
amended or supplemented, will not, in the light of the circumstances when it is
so delivered, be misleading, or so that such Offering Memorandum will comply
with applicable law, and to furnish to the Initial Purchasers and such other
persons as the Initial Purchasers may designate such number of copies thereof as
the Initial Purchasers may reasonably request.

               (e)  Prior to the sale of all Securities pursuant to Exempt
Resales as contemplated hereby, to cooperate with the Initial Purchasers and
counsel to the Initial Purchasers in connection with the registration or
qualification of the Securities for offer and sale to the Initial Purchasers and
pursuant to Exempt Resales under the securities or Blue Sky laws of such
jurisdictions as the Initial Purchasers may request and to continue such
registration or qualification in effect so long as required for Exempt Resales
and to file such consents to service of process or other documents as may be
necessary in order to effect such registration or qualification; provided,
however, that neither the Company nor any Guarantor shall be required in
connection therewith to qualify as a foreign corporation in any jurisdiction in
which it is not now so qualified or to take any action that would subject it to
general consent to service of process or taxation other than as to matters and
transactions relating to the Preliminary Offering Memorandum, the Offering
Memorandum or Exempt Resales in any jurisdiction in which it is not now so
subject.

               (f)  So long as any Securities are outstanding and the Indenture
or the Warrant Agreement so requires, (i) to make generally available as soon as
practicable after the end of each fiscal year to the record holders of the
Securities a financial report of the Company and its subsidiaries on a
consolidated basis (and a similar financial report of all unconsolidated
subsidiaries, if any), all such financial reports to include a consolidated
balance sheet, a consolidated statement of operations, a consolidated statement
of cash flows and a consolidated statement of shareholders' equity as of the end
of and for such fiscal year, together with comparable information as of the end
of and for the preceding year, certified by the Company's independent public
accountants and (ii) to make generally available as soon as practicable after
the end of each quarterly period (except for the last quarterly period of each
fiscal year) to such holders, a consolidated balance sheet, a consolidated
statement of operations and a consolidated statement of cash flows (and

                                       9
<PAGE>

similar financial reports of all unconsolidated subsidiaries, if any) as of the
end of and for such period, and for the period from the beginning of such year
to the close of such quarterly period, together with comparable information for
the corresponding periods of the preceding year.

               (g)  So long as any Securities are outstanding, to furnish to the
Initial Purchasers, upon request, as soon as available copies of all reports or
other communications furnished by the Company or any of the Guarantors to its
security holders or furnished to or filed with the Commission or any national
securities exchange on which any class of securities of the Company or any of
the Guarantors is listed and such other publicly available information
concerning the Company and/or its subsidiaries as the Initial Purchasers may
reasonably request.

               (h)  So long as any of the Securities remain outstanding and
during any period in which the Company and the Guarantors are not subject to
Section 13 or 15(d) of the Securities Exchange Act of 1934, as amended (the
"Exchange Act"), to, upon request, make available to any holder of such
 ------------
Securities in connection with any sale thereof and any prospective purchaser of
such Securities from such holder, the information ("Rule 144A Information")
                                                    ---------------------
required by Rule 144A(d)(4) under the Act.

               (i)  Whether or not the transactions contemplated in this
Agreement are consummated or this Agreement is terminated, to pay or cause to be
paid all expenses incident to the performance of the obligations of the Company
and the Guarantors under this Agreement, including: (i) the fees, disbursements
and expenses of counsel to the Company and the Guarantors and accountants of the
Company and the Guarantors in connection with the sale and delivery of the
Securities to the Initial Purchasers and pursuant to Exempt Resales, and all
other fees and expenses in connection with the preparation, printing, filing and
distribution of the Preliminary Offering Memorandum, the Offering Memorandum and
all amendments and supplements to any of the foregoing (including financial
statements), including the mailing and delivering of copies thereof to the
Initial Purchasers and persons designated by it in the quantities specified
herein, (ii) all costs and expenses related to the transfer and delivery of the
Securities to the Initial Purchasers and pursuant to Exempt Resales, including
any transfer or other taxes payable thereon, (iii) all costs of printing or
producing this Agreement, the other Operative Documents and any other agreements
or documents in connection with the offering, purchase, sale or delivery of the
Securities, (iv) all expenses in connection with the registration or
qualification of the Securities and the Guarantees for offer and sale under the
securities or Blue Sky laws of the several states and all costs of

                                       10
<PAGE>

printing or producing any preliminary and supplemental Blue Sky memoranda in
connection therewith (including the filing fees and fees and disbursements of
counsel for the Initial Purchasers in connection with such registration or
qualification and memoranda relating thereto), (v) the cost of printing
certificates representing the Securities, if applicable, (vi) all expenses and
fees in connection with the application for quotation of the Units, Initial
Notes and the Warrants in the National Association of Securities Dealers, Inc.
("NASD") Automated Quotation System - PORTAL ("PORTAL"), (vii) the fees and
  ----                                         ------
expenses of the Trustee and the Trustee's counsel in connection with the
Indenture, the Notes and the Guarantees, (viii) the fees and expenses of the
Warrant Agent and the Warrant Agent's counsel in connection with the Warrant
Agreement and the Warrants, (ix) the costs and charges of any transfer agent,
registrar and/or depositary (including DTC), (x) any fees charged by rating
agencies for the rating of the Securities, (xi) all costs and expenses of the
Exchange Offer, any Notes Registration Statement and any Warrant Shelf
Registration Statement, as set forth in the Notes Registration Rights Agreement
and the Warrant Registration Rights Agreement, and (xii) all other costs and
expenses incident to the performance of the obligations of the Company and the
Guarantors hereunder for which provision is not otherwise made in this Section.

               (j)  In accordance with the Warrant Agreement, to cause any
Warrant Shares, upon issuance, to be listed on the principal securities
exchanges, automated quotation systems or other markets within the United States
of America, if any, on which other shares of Common Stock are then listed and to
maintain any such listings of Warrant Shares for so long as such Warrant Shares
are outstanding and such other shares of Common Stock are then listed.

               (k)  To use its best efforts to effect the inclusion of the
Units, Initial Notes and Warrants on PORTAL and to maintain the listing of the
Units, Initial Notes and Warrants on PORTAL for so long as the Units, Initial
Notes and Warrants are outstanding.

               (l)  To obtain the approval of DTC for "book-entry" transfer of
the Notes and the Warrants as Units and as separate securities, and to comply
with all of its agreements set forth in the representation letters of the
Company and the Guarantors to DTC relating to the approval of the Notes and the
Warrants as Units and as separate securities by DTC for "book-entry" transfer.

               (m)  During the period beginning on the date hereof and
continuing to and including the Closing Date, not to offer, sell, contract to
sell or otherwise transfer or dispose of any securities of the Company or any
Guarantor or

                                       11
<PAGE>

any warrants, rights or options to purchase or otherwise acquire securities of
the Company or any Guarantor substantially similar to any of the Securities
(other than (i) the Units, (ii) the Notes and the Guarantees, (iii) the
Warrants, (iv) the debt securities to be issued on connection with the Bank
Financing, (v) the equity securities to be issued in connection with the Equity
Financing, (vi) the warrants to be issued to Sprint pursuant to the Sprint
Agreements (as defined herein), (vii) the securities to be issued in connection
with reorganization to form a holding company structure as described in the
Offering Memorandum and (viii) commercial paper issued in the ordinary course of
business), without the prior written consent of the Initial Purchasers.

               (n)  Not to sell, offer for sale or solicit offers to buy or
otherwise negotiate in respect of any security (as defined in the Act) that
would be integrated with the sale of the Securities to the Initial Purchasers or
pursuant to Exempt Resales in a manner that would require the registration of
any such sale of Securities under the Act.

               (o)  Not to voluntarily claim, and to actively resist any
attempts to claim, the benefit of any usury laws against the holders of any
Securities.

               (p)  To cause the Exchange Offer to be made in the appropriate
form to permit Exchange Notes and guarantees thereof by the Guarantors
registered pursuant to the Act to be offered in exchange for the Initial Notes
and the Guarantees and to comply with all applicable federal and state
securities laws in connection with the Exchange Offer.

               (q)  To comply with all of its agreements set forth in the
Warrant Agreement.

               (r)  To comply with all of its agreements set forth in the
Warrant Registration Rights Agreement.

               (s)  To comply with all of its agreements set forth in the Notes
Registration Rights Agreement.

               (t)  To use its best efforts to do and perform all things
required or necessary to be done and performed under this Agreement by it prior
to the Closing Date and to satisfy all conditions precedent to the delivery of
the Units.

                                       12
<PAGE>

          6.   Representations, Warranties and Agreements of the Company and the
               -----------------------------------------------------------------
Guarantors.  As of the date hereof, each of the Company and the Guarantors,
----------
jointly and severally, represents and warrants to, and agrees with, the Initial
Purchasers that:

               (a)  The Preliminary Offering Memorandum and the Offering
Memorandum do not, and any supplement or amendment to them will not, contain any
untrue statement of a material fact or omit to state any material fact required
to be stated therein or necessary to make the statements therein, in the light
of the circumstances under which they were made, not misleading, except that the
representations and warranties contained in this paragraph (a) shall not apply
to statements in or omissions from the Preliminary Offering Memorandum or the
Offering Memorandum (or any supplement or amendment thereto) based upon
information relating to the Initial Purchasers furnished to the Company in
writing by the Initial Purchasers expressly for use therein. No stop order
preventing the use of the Preliminary Offering Memorandum or the Offering
Memorandum, or any amendment or supplement thereto, or any order asserting that
any of the transactions contemplated by this Agreement are subject to the
registration requirements of the Act, has been issued.

               (b)  Each of the Company and its subsidiaries has been duly
incorporated, is validly existing as a corporation in good standing under the
laws of its jurisdiction of incorporation and at the Closing Date will have the
corporate power and authority to carry on its business as described in the
Preliminary Offering Memorandum and the Offering Memorandum and to own, lease
and operate its properties, and each is duly qualified and is in good standing
as a foreign corporation authorized to do business in each jurisdiction in which
the nature of its business or its ownership or leasing of property requires such
qualification, except where the failure to be so qualified would not have a
material adverse effect on the business, prospects, financial condition or
results of operations of the Company and its subsidiaries, taken as a whole (a
"Material Adverse Effect").
 -----------------------

               (c)  At the Closing Date all outstanding shares of capital stock
of the Company will have been duly authorized and validly issued and will be
fully paid, nonassessable and not subject to any preemptive or similar rights.
The authorized capital stock of the Company conforms to the description thereof
contained in the Offering Memorandum.

               (d)  Equipment and Wireless are the only subsidiaries, direct or
indirect, of the Company. All of the outstanding shares of capital stock of

                                       13
<PAGE>

each of the Company's subsidiaries have been duly authorized and validly issued
and are fully paid and nonassessable, and are owned by the Company, directly or
indirectly through one or more subsidiaries, free and clear of any security
interest, claim, lien, encumbrance or adverse interest of any nature (each, a
"Lien"), except as expressly provided under the Credit Agreement and the Sprint
 ----
PCS Management Agreement.

               (e)  This Agreement has been duly authorized, executed and
delivered by the Company and each of the Guarantors. This Agreement conforms to
the description hereof contained in the Offering Memorandum.

               (f)  The Warrant Agreement has been duly authorized by the
Company and, on the Closing Date, will have been validly executed and delivered
by the Company. When the Warrant Agreement has been validly executed and
delivered by the Company and the Warrant Agent, the Warrant Agreement will be a
valid and binding agreement of the Company, enforceable against the Company in
accordance with its terms except as (i) the enforceability thereof may be
limited by bankruptcy, insolvency or similar laws affecting creditors' rights
generally and (ii) rights of acceleration and the availability of equitable
remedies may be limited by equitable principles of general applicability.

               (g)  The Warrants have been duly authorized by the Company and,
on the Closing Date, will have been validly executed and delivered by the
Company. When the Warrants have been executed and countersigned in accordance
with the provisions of the Warrant Agreement and delivered to and paid for by
the Initial Purchasers as part of a Unit, the holders of the Warrants will be
entitled to the benefits of the Warrant Agreement and the Warrants will be valid
and binding obligations of the Company enforceable against the Company in
accordance with their terms except as (i) the enforceability thereof may be
limited by bankruptcy, insolvency or similar laws affecting creditors' rights
generally and (ii) rights of acceleration and the availability of equitable
remedies may be limited by equitable principles of general applicability. On the
Closing Date, the Warrants will conform to the description thereof contained in
the Offering Memorandum.

               (h)  The Warrant Shares have been duly and validly authorized for
issuance by the Company and, when issued pursuant to the terms of the Warrants
and the Warrant Agreement, will be validly issued, fully paid, nonassessable and
not subject to any preemptive or similar rights.

                                       14
<PAGE>

               (i)  The Indenture has been duly authorized by the Company and
each of the Guarantors and, on the Closing Date, will have been validly executed
and delivered by the Company and each of the Guarantors. When the Indenture has
been validly executed and delivered by the Company and each of the Guarantors,
the Indenture will be a valid and binding agreement of the Company and each
Guarantor, enforceable against the Company and each Guarantor in accordance with
its terms except as (i) the enforceability thereof may be limited by bankruptcy,
insolvency or similar laws affecting creditors' rights generally and (ii) rights
of acceleration and the availability of equitable remedies may be limited by
equitable principles of general applicability. On the Closing Date, the
Indenture will conform in all material respects to the requirements of the Trust
Indenture Act of 1939, as amended (the "TIA" or "Trust Indenture Act"), and the
                                        ---      -------------------
rules and regulations of the Commission applicable to an indenture which is
qualified thereunder.

               (j)  The Initial Notes have been duly authorized and, on the
Closing Date, will have been validly executed and delivered by the Company. When
the Initial Notes have been issued, executed and authenticated in accordance
with the provisions of the Indenture and delivered to and paid for by the
Initial Purchasers in accordance with the terms of this Agreement as part of a
Unit, the holders of the Initial Notes will be entitled to the benefits of the
Indenture and the Initial Notes will be valid and binding obligations of the
Company, enforceable against the Company in accordance with their terms except
as (i) the enforceability thereof may be limited by bankruptcy, insolvency or
similar laws affecting creditors' rights generally and (ii) rights of
acceleration and the availability of equitable remedies may be limited by
equitable principles of general applicability. On the Closing Date, the Initial
Notes will conform to the description thereof contained in the Offering
Memorandum.

               (k)  The Exchange Notes have been duly authorized by the Company.
When the Exchange Notes are issued, executed and authenticated in accordance
with the terms of the Exchange Offer and the Indenture, the Exchange Notes will
be entitled to the benefits of the Indenture and will be the valid and binding
obligations of the Company, enforceable against the Company in accordance with
their terms except as (i) the enforceability thereof may be limited by
bankruptcy, insolvency or similar laws affecting creditors' rights generally and
(ii) rights of acceleration and the availability of equitable remedies may be
limited by equitable principles of general applicability. When the Exchange
Notes are issued, authenticated and delivered, the Exchange Notes will conform
to the description thereof contained in the Offering Memorandum.

                                       15
<PAGE>

               (l)  The Guarantee to be endorsed on the Initial Notes by each
Guarantor has been duly authorized by such Guarantor and, on the Closing Date,
will have been duly executed and delivered by each such Guarantor. When the
Initial Notes have been issued, executed and authenticated in accordance with
the Indenture and delivered to and paid for by the Initial Purchasers in
accordance with the terms of this Agreement as part of the Unit, the Guarantee
of each Guarantor endorsed thereon will be entitled to the benefits of the
Indenture and will be the valid and binding obligation of such Guarantor,
enforceable against such Guarantor in accordance with its terms except as (i)
the enforceability thereof may be limited by bankruptcy, insolvency or similar
laws affecting creditors' rights generally and (ii) rights of acceleration and
the availability of equitable remedies may be limited by equitable principles of
general applicability. On the Closing Date, the Guarantees to be endorsed on the
Initial Notes will conform to the description thereof contained in the Offering
Memorandum.

               (m)  The Guarantee to be endorsed on the Exchange Notes by each
Guarantor has been duly authorized by such Guarantor and, when issued, will have
been duly executed and delivered by each such Guarantor. When the Exchange Notes
have been issued, executed and authenticated in accordance with the terms of the
Exchange Offer and the Indenture, the Guarantee of each Guarantor endorsed
thereon will be entitled to the benefits of the Indenture and will be the valid
and binding obligation of such Guarantor, enforceable against such Guarantor in
accordance with its terms except as (i) the enforceability thereof may be
limited by bankruptcy, insolvency or similar laws affecting creditors' rights
generally and (ii) rights of acceleration and the availability of equitable
remedies may be limited by equitable principles of general applicability. When
the Exchange Notes are issued, authenticated and delivered, the Guarantees to be
endorsed on the Exchange Notes will conform to the description thereof in the
Offering Memorandum.

               (n)  The Notes Registration Rights Agreement has been duly
authorized by the Company and each of the Guarantors and, on the Closing Date,
will have been duly executed and delivered by the Company and each of the
Guarantors. When the Notes Registration Rights Agreement has been duly executed
and delivered, the Notes Registration Rights Agreement will be a valid and
binding agreement of the Company and each of the Guarantors, enforceable against
the Company and each Guarantor in accordance with its terms except as (i) the
enforceability thereof may be limited by bankruptcy, insolvency or similar laws
affecting creditors' rights generally and (ii) rights of acceleration and the
availability of equitable remedies may be limited by equitable principles of
general applicability.

                                       16
<PAGE>

On the Closing Date, the Notes Registration Rights Agreement will conform to the
description thereof contained in the Offering Memorandum.

               (o)  The Warrant Registration Rights Agreement has been duly
authorized by the Company and, on the Closing Date, will have been duly executed
and delivered by the Company. When the Warrant Registration Rights Agreement has
been duly executed and delivered, the Warrant Registration Rights Agreement will
be a valid and binding agreement of the Company, enforceable against the Company
in accordance with its terms except as (i) the enforceability thereof may be
limited by bankruptcy, insolvency or similar laws affecting creditors' rights
generally and (ii) rights of acceleration and the availability of equitable
remedies may be limited by equitable principles of general applicability. On the
Closing Date, the Warrant Registration Rights Agreement will conform to the
description thereof contained in the Offering Memorandum.

               (p)  Each of the Company and the Guarantors has duly and validly
authorized the issuance of the Initial Notes, the Guarantees and the Warrants as
Units.

               (q)  The Units conform to the description thereof contained in
the Offering Memorandum.

               (r)  Neither the Company nor any of its subsidiaries is in
violation of its respective charter or by-laws or in default in the performance
of any obligation, agreement, covenant or condition contained in any indenture,
loan agreement, mortgage, lease or other agreement or instrument that is
material to the Company and its subsidiaries, taken as a whole, to which the
Company or any of its subsidiaries is a party or by which the Company or any of
its subsidiaries or their respective property is bound.

               (s)  The execution, delivery and performance of this Agreement
and the other Operative Documents by the Company and each of the Guarantors,
compliance by the Company and each of the Guarantors with all provisions hereof
and thereof and the consummation of the transactions contemplated hereby and
thereby will not (i) require any consent, approval, authorization or other order
of, or qualification with, any court or governmental body or agency (except such
as may be required under the securities or Blue Sky laws of the various states),
(ii) conflict with or constitute a breach of any of the terms or provisions of,
or a default under, the charter or by-laws of the Company or any of its
subsidiaries or any indenture, loan agreement, mortgage, lease or other
agreement or

                                       17
<PAGE>

instrument that is material to the Company and its subsidiaries, taken as a
whole, to which the Company or any of its subsidiaries is a party or by which
the Company or any of its subsidiaries or their respective property is bound,
(iii) violate or conflict with any applicable law or any rule, regulation,
judgment, order or decree of any court or any governmental body or agency having
jurisdiction over the Company, any of its subsidiaries or their respective
property, (iv) result in the imposition or creation of (or the obligation to
create or impose) a Lien under any agreement or instrument to which the Company
or any of its subsidiaries is a party or by which the Company or any of its
subsidiaries or their respective property is bound, or (v) result in the
termination, suspension or revocation of any Authorization (as defined below) of
the Company or any of its subsidiaries or result in any other impairment of the
rights of the holder of any such Authorization.

               (t)  There are no legal or governmental proceedings pending or
threatened to which the Company or any of its subsidiaries is or could be a
party or to which any of their respective property is or could be subject, which
could reasonably be expected to result, singly or in the aggregate, in a
Material Adverse Effect.

               (u)  Neither the Company nor any of its subsidiaries has violated
any foreign, federal, state or local law or regulation relating to the
protection of human health and safety, the environment or hazardous or toxic
substances or wastes, pollutants or contaminants ("Environmental Laws"), any
                                                   ------------------
provisions of the Employee Retirement Income Security Act of 1974, as amended
("ERISA"), or any provisions of the Foreign Corrupt Practices Act or the rules
  -----
and regulations promulgated thereunder, except for such violations which, singly
or in the aggregate, would not have a Material Adverse Effect.

               (v)  There are no costs or liabilities associated with
Environmental Laws (including, without limitation, any capital or operating
expenditures required for clean-up, closure of properties or compliance with
Environmental Laws or any Authorization, any related constraints on operating
activities and any potential liabilities to third parties) which would, singly
or in the aggregate, have a Material Adverse Effect.

               (w)  Each of the Company and its subsidiaries has such permits,
licenses, consents, exemptions, franchises, authorizations and other approvals
(each, an "Authorization") of, and has made all filings with and notices to, all
           -------------
governmental or regulatory authorities and self-regulatory organizations and all
courts and other tribunals, including without limitation, under any applicable

                                       18
<PAGE>

Environmental Laws, as are necessary to own, lease, license and operate its
respective properties and to conduct its business, except where the failure to
have any such Authorization or to make any such filing or notice would not,
singly or in the aggregate, have a Material Adverse Effect. Each such
Authorization is valid and in full force and effect and each of the Company and
its subsidiaries is in compliance with all the terms and conditions thereof and
with the rules and regulations of the authorities and governing bodies having
jurisdiction with respect thereto; and no event has occurred (including, without
limitation, the receipt of any notice from any authority or governing body)
which allows or, after notice or lapse of time or both, would allow, revocation,
suspension or termination of any such Authorization or results or, after notice
or lapse of time or both, would result in any other impairment of the rights of
the holder of any such Authorization; and such Authorizations contain no
restrictions that are burdensome to the Company or any of its subsidiaries;
except where such failure to be valid and in full force and effect or to be in
compliance, the occurrence of any such event or the presence of any such
restriction would not, singly or in the aggregate, have a Material Adverse
Effect.

               (x)  The accountants that have certified the financial statements
and supporting schedules included in the Preliminary Offering Memorandum and the
Offering Memorandum are independent public accountants with respect to the
Company and the Guarantors, as required by the Act and the Exchange Act. The
historical financial statements, together with related schedules and notes, set
forth in the Preliminary Offering Memorandum and the Offering Memorandum comply
as to form in all material respects with the requirements applicable to
registration statements on Form S-1 under the Act.

               (y)  The historical financial statements, together with related
schedules and notes forming part of the Offering Memorandum (and any amendment
or supplement thereto), present fairly the consolidated financial position,
results of operations and changes in financial position of the Company and its
subsidiaries on the basis stated in the Offering Memorandum at the respective
dates or for the respective periods to which they apply; such statements and
related schedules and notes have been prepared in accordance with generally
accepted accounting principles consistently applied throughout the periods
involved, except as disclosed therein; and the other financial and statistical
information and data set forth in the Offering Memorandum (and any amendment or
supplement thereto) are, in all material respects, accurately presented and
prepared on a basis consistent with such financial statements and the books and
records of the Company.

                                       19
<PAGE>

               (z)  There are no contracts, agreements or understandings between
the Company or any Guarantor and any person granting such person the right (i)
to require the Company or such Guarantor to file a registration statement under
the Act with respect to any securities of the Company or such Guarantor except
as described in the Offering Memorandum or (ii) to require the Company or such
Guarantor to include such securities with the Notes and Guarantees registered
pursuant to any Notes Registration Statement or the Warrants or Warrant Shares
registered pursuant to any Warrant Shelf Registration Statement.

               (aa) Neither the Company nor any of its subsidiaries nor any
agent thereof acting on the behalf of them has taken, and none of them will
take, any action that might cause this Agreement or the issuance or sale of the
Securities to violate Regulation T (12 C.F.R. Part 220), Regulation U (12 C.F.R.
Part 221) or Regulation X (12 C.F.R. Part 224) of the Board of Governors of the
Federal Reserve System.

               (bb) None of the Company or any of the Guarantors are, and, after
giving effect to the offering and sale of the Securities and the application of
the proceeds thereof as described in the Offering Memorandum, will be, an
"investment company" as such term is defined in the Investment Company Act of
1940, as amended.

               (cc) No "nationally recognized statistical rating organization"
as such term is defined for purposes of Rule 436(g)(2) under the Act (i) has
imposed (or has informed the Company or any Guarantor that it is considering
imposing) any condition (financial or otherwise) on the Company's or any
Guarantor's retaining any rating assigned to the Company or any Guarantor, any
securities of the Company or any Guarantor or (ii) has indicated to the Company
or any Guarantor that it is considering (a) the downgrading, suspension, or
withdrawal of, or any review for a possible change that does not indicate the
direction of the possible change in, any rating so assigned or (b) any change in
the outlook for any rating of the Company, any Guarantor or any securities of
the Company or any Guarantor.

               (dd) Since the respective dates as of which information is given
in the Offering Memorandum other than as set forth in the Offering Memorandum
(exclusive of any amendments or supplements thereto subsequent to the date of
this Agreement), (i) there has not occurred any material adverse change or any
development involving a prospective material adverse change in the condition,
financial or otherwise, or the earnings, business, management or operations of
the

                                       20
<PAGE>

Company and its subsidiaries, taken as a whole, (ii) there has not been any
material adverse change or any development involving a prospective material
adverse change in the capital stock or in the long-term debt of the Company or
any of its subsidiaries and (iii) neither the Company nor any of its
subsidiaries has incurred any material liability or obligation, direct or
contingent.

               (ee) Each of the Preliminary Offering Memorandum and the Offering
Memorandum, as of its date, contains all the information specified in, and
meeting the requirements of, Rule 144A(d)(4) under the Act.

               (ff) When the Securities are issued and delivered pursuant to
this Agreement, none of the Securities will be of the same class (within the
meaning of Rule 144A under the Act) as any security of the Company or the
Guarantors that is listed on a national securities exchange registered under
Section 6 of the Exchange Act or that is quoted in a United States automated
inter-dealer quotation system.

               (gg) No form of general solicitation or general advertising (as
defined in Regulation D under the Act) was used by the Company, the Guarantors
or any of their respective representatives (other than the Initial Purchasers,
as to whom the Company and the Guarantors make no representation) in connection
with the offer and sale of the Securities contemplated hereby, including, but
not limited to, articles, notices or other communications published in any
newspaper, magazine, or similar medium or broadcast over television or radio, or
any seminar or meeting whose attendees have been invited by any general
solicitation or general advertising. No securities of the same class as any of
the Securities have been issued and sold by the Company within the six-month
period immediately prior to the date hereof.

               (hh) Prior to the effectiveness of any Notes Registration
Statement, the Indenture is not required to be qualified under the TIA.

               (ii) None of the Company, the Guarantors nor any of their
respective affiliates or any person acting on its or their behalf (other than
the Initial Purchasers, as to whom the Company and the Guarantors make no
representation) has engaged or will engage in any directed selling efforts
within the meaning of Regulation S not to under the Act ("Regulation S") with
                                                          ------------
respect to any of the Securities.

               (jj) None of the Company or the Guarantors shall have taken or
omitted to take any action that shall have resulted in the Securities offered

                                       21
<PAGE>

and sold in reliance on Regulation S not to have been offered and sold only in
offshore transactions.

               (kk) The sale of the Securities pursuant to Regulation S is not
part of a plan or scheme to evade the registration provisions of the Act.

               (ll) No registration under the Act of the Securities is required
for the sale of the Securities to the Initial Purchasers as contemplated hereby
or for the Exempt Resales assuming the accuracy of the Initial Purchasers'
representations and warranties and agreements set forth in Section 7 hereof.

               (mm) No relationship, direct or indirect, exists between or among
the Company or any of its subsidiaries on the one hand, and the directors,
officers, stockholders, customers or suppliers of the Company or any of its
subsidiaries on the other hand, which is required by the Act to be described in
a registration statement on Form S-1 under the Act which is not so described in
the Offering Memorandum.

               (nn) All indebtedness of the Company and the Guarantors or their
respective predecessors that will be repaid with the proceeds of the issuance
and sale of the Units was incurred, and the indebtedness represented by the
Initial Notes is being incurred, for proper purposes and in good faith and each
of the Company and the Guarantors or their respective predecessors was, at the
time of the incurrence of such indebtedness that will be repaid with the
proceeds of the issuance and sale of the Units, and will be on the Closing Date
(after giving effect to the application of the proceeds from the issuance of the
Units) solvent, and had at the time of the incurrence of such indebtedness that
will be repaid with the proceeds of the issuance and sale of the Units and will
have on the Closing Date (after giving effect to the application of the proceeds
from the issuance of the Units) sufficient capital for carrying on their
respective business and were, at the time of the incurrence of such indebtedness
that will be repaid with the proceeds of the issuance and sale of the Units, and
will be on the Closing Date (after giving effect to the application of the
proceeds from the issuance of the Units) able to pay their respective debts as
they mature.

               (oo) The Company has provided the Initial Purchasers and counsel
for the Initial Purchasers true and correct copies of each and every agreement
(or, if an agreement has not been reduced to writing, a written enumeration of
the terms of such agreement) between and among the Company and any Related Party
(as such term is defined below), on the one hand, and Sprint PCS and any Related

                                       22
<PAGE>

Party on the other, including in each case any amendments and addenda thereto
and restatements thereof, as in effect on the date hereof (collectively, the
"Sprint Agreements"); and such other documents as may be necessary to interpret
 -----------------
such agreements and to assess the impact thereof on the business and financial
condition of the Company.  For purposes of this subparagraph and the immediately
following subparagraph, "Related Party" shall have the meaning given to such
                         -------------
term in the Schedule of Definitions incorporated by reference in that certain
Sprint PCS Management Agreement executed by the Company and Sprint PCS as of
January 22, 1999 (the "Sprint PCS Management Agreement").
                       -------------------------------

               (pp) At the Closing Date, the Company will have provided the
Initial Purchasers and counsel for the Initial Purchasers a true and correct
copy of a Consent and Agreement among Sprint Spectrum L.P. and its applicable
Related Party, the Company, the administrative agent and the syndication agent
for the lenders under the Credit Agreement, including any amendments thereto and
restatements thereof, as in effect on the date thereof (the "Consent and
                                                             -----------
Agreement"); and such other documents as may be necessary to interpret such
---------
Consent and Agreement and to assess the impact thereof on the business and
financial condition of the Company.

               (qq) At the Closing Date, the Company will have provided the
Initial Purchasers and counsel for the Initial Purchasers true and correct
copies of each and every agreement, instrument or other document, including
without limitation the Credit Agreement, that is or may be required for
borrowing by the Company under the Senior Financing (or, if an agreement
relating to the Senior Financing has not been reduced to writing, a written
enumeration of the terms of such agreement), including in each case any
amendments thereto and restatements thereof, as in effect on the date thereof
(collectively, the "Bank Financing Agreements"); and such other documents as may
                    -------------------------
be necessary to interpret such agreements, instruments or other documents and to
assess the impact thereof on the business and financial condition of the
Company.

               (rr) At the Closing Date, each of the Bank Financing Agreements,
including the Consent and Agreement, (A) will have been duly authorized,
executed and delivered by, (B) constitute the valid and binding obligation of,
and (C) will be enforceable in accordance with their respective terms against,
the Company and its affiliates, to the extent each is a party thereto.

                                       23
<PAGE>

               (ss) At the Closing Date, the Company will have provided the
Initial Purchasers and counsel for the Initial Purchasers true and correct
copies of each and every agreement, instrument or other document that is or may
be required for the Company to receive the proceeds of the Series A-1
Convertible Preferred Stock portion of the Equity Financing (or, if an agreement
relating to the Equity Financing has not been reduced to writing, a written
enumeration of the terms of such agreement), including in each case any
amendments thereto and restatements thereof, as in effect on the date thereof
(collectively, the "Equity Financing Agreements"); and such other documents as
                    ---------------------------
may be necessary to interpret such agreements, instruments or other documents
and to assess the impact thereof on the business and financial condition of the
Company.

               (tt) At the Closing Date, each of the Equity Financing Agreements
(A) will have been duly authorized, executed and delivered by, (B) constitute
the valid and binding obligation of, and (C) will be enforceable in accordance
with their respective terms against, the Company and its affiliates, to the
extent each is a party thereto.

               (uu) The execution, delivery and performance of the Sprint
Agreements, the Bank Financing Agreements and the Equity Financing Agreements by
the Company and any of its affiliates that are a party thereto, the compliance
by the Company and such affiliates with all the provisions thereof and the
consummation of the transactions contemplated thereby do not (A) require any
consent, approval, authorization or other order of, or qualification with, any
court or governmental body or agency (except such as have already been
obtained), (B) conflict with or constitute a breach of any of the terms or
provisions of, or a default under (or an event which with notice or lapse of
time, or both, would constitute a breach of or a default under), the certificate
of incorporation or by-laws of the Company or any of its subsidiaries or any
indenture, loan agreement, mortgage, lease or other agreement or instrument that
is material to the Company and its subsidiaries, taken as a whole, to which the
Company or any of its subsidiaries is a party or by which the Company or any of
its subsidiaries or their respective property is bound, (C) violate or conflict
with any applicable law or any rule, regulation, judgment, order or decree of
any court or any governmental body or agency having jurisdiction over the
Company, any of its subsidiaries or their respective property or (D) result in
the suspension, termination or revocation of any Authorization of the Company or
any of its subsidiaries or any other impairment of the rights of the holder of
any such Authorization.

                                       24
<PAGE>

               (ww) Each of the Sprint Agreements (including, without
limitation, the Sprint PCS Management Agreement), the Consent and Agreement, the
Bank Financing Agreements and the Equity Financing Agreements (collectively, the
"PCS Agreements"), will be, and the PCS Agreements viewed as a whole will be,
 --------------
consistent with the terms and conditions of the License (as such term is defined
in the Sprint PCS Management Agreement) and not otherwise contrary to Federal
Communications Commission policies, rules and regulations or other applicable
law, rules or regulations.

               (xx) All agreements relating to the exchange of membership
interests in Illinois PCS, LLC for Common Stock and pursuant to which Illinois
PCS, LLC is to be merged with and into iPCS Wireless, Inc. (the "Plan of
                                                                 -------
Reorganization") have been duly authorized, executed and delivered by the
--------------
parties thereto and each of them constitutes the legal, valid and binding
obligations of such parties, and, at the Closing Date, the transactions
contemplated by the Plan of Reorganization shall have been consummated in all
respects in accordance with the terms of the Plan of Reorganization.

               (yy) Each certificate signed by any officer of the Company or any
Guarantor and delivered to the Initial Purchasers or counsel for the Initial
Purchasers shall be deemed to be a representation and warranty by the Company or
such Guarantor to the Initial Purchasers as to the matters covered thereby.

          The Company acknowledges that the Initial Purchasers and, for purposes
of the opinions to be delivered to the Initial Purchasers pursuant to Section 9
hereof, counsel to the Company and the Guarantors and counsel to the Initial
Purchasers will rely upon the accuracy and truth of the foregoing
representations and hereby consents to such reliance.

          7.   Initial Purchasers' Representations and Warranties.  Each of the
               --------------------------------------------------
Initial Purchasers, severally and not jointly, represents and warrants to, and
agrees with, the Company and the Guarantors:

               (a)  Such Initial Purchaser is either a QIB or an Accredited
Institution, in either case, with such knowledge and experience in financial and
business matters as is necessary in order to evaluate the merits and risks of an
investment in the Securities.

                                       25
<PAGE>

               (b)  Such Initial Purchaser (A) is not acquiring the Securities
with a view to any distribution thereof or with any present intention of
offering or selling any of the Securities in a transaction that would violate
the Act or the securities laws of any state of the United States or any other
applicable jurisdiction and (B) will be reoffering and reselling the Securities
only to (y) QIBs in reliance on the exemption from the registration requirements
of the Act provided by Rule 144A and (z) in offshore transactions in reliance
upon Regulation S under the Act.

               (c)  Such Initial Purchaser agrees that no form of general
solicitation or general advertising (within the meaning of Regulation D under
the Act) has been or will be used by such Initial Purchaser or any of its
representatives in connection with the offer and sale of the Securities pursuant
hereto, including, but not limited to, articles, notices or other communications
published in any newspaper, magazine or similar medium or broadcast over
television or radio, or any seminar or meeting whose attendees have been invited
by any general solicitation or general advertising.

               (d)  Such Initial Purchaser agrees that, in connection with
Exempt Resales, such Initial Purchaser will solicit offers to buy the Securities
only from, and will offer to sell the Securities only to, Eligible Purchasers.
Each Initial Purchaser further agrees that it will offer to sell the Securities
only to, and will solicit offers to buy the Securities only from (A) Eligible
Purchasers that the Initial Purchasers reasonably believes are QIBs and (B)
Regulation S Purchasers, in each case, that agree that (x) the Securities
purchased by them may be resold, pledged or otherwise transferred within the
time period referred to under Rule 144(k) (taking into account the provisions of
Rule 144(d) under the Act, if applicable) under the Act, as in effect on the
date of the transfer of such Securities, only (I) to the Company or any of its
subsidiaries, (II) to a person whom the seller reasonably believes is a QIB
purchasing for its own account or for the account of a QIB in a transaction
meeting the requirements of Rule 144A under the Act, (III) in an offshore
transaction (as defined in Rule 902 under the Act) meeting the requirements of
Rule 904 of the Act, (IV) in a transaction meeting the requirements of Rule 144
under the Act, (V) to an Accredited Institution that, prior to such transfer,
furnishes the Trustee a signed letter containing certain representations and
agreements relating to the registration of transfer of such Securities and, if
such transfer is in respect of an aggregate principal amount of Initial Notes
less than $250,000 or any Units, Warrants or Warrant Shares, an opinion of
counsel acceptable to the Company that such transfer is in compliance with the
Act, (VI) in accordance with another exemption from the registration
requirements of the Act (and based upon an opinion

                                       26
<PAGE>

of counsel acceptable to the Company) or (VII) pursuant to an effective
registration statement and, in each case, in accordance with the applicable
securities laws of any state of the United States or any other applicable
jurisdiction and (y) they will deliver to each person to whom such Securities or
an interest therein is transferred a notice substantially to the effect of the
foregoing.

               (e)  Such Initial Purchaser and its affiliates or any person
acting on its or their behalf have not engaged or will not engage in any
directed selling efforts within the meaning of Regulation S with respect to the
Securities.

               (f)  The Securities offered and sold by such Initial Purchaser
pursuant hereto in reliance on Regulation S have been and will be offered and
sold only in offshore transactions.

               (g)  The sale of the Securities offered and sold by such Initial
Purchaser pursuant hereto in reliance on Regulation S is not part of a plan or
scheme to evade the registration provisions of the Act.

               (h)  Such Initial Purchaser agrees that it has not offered or
sold and will not offer or sell the Securities in the United States or to, or
for the benefit or account of, a U.S. Person (other than a distributor), in each
case, as defined in Rule 902 under the Act (i) as part of its distribution at
any time and (ii) otherwise until 40 days after the later of the commencement of
the offering of the Units pursuant hereto and the Closing Date, other than in
accordance with Regulation S of the Act or another exemption from the
registration requirements of the Act. Such Initial Purchaser agrees that, during
such 40-day restricted period, it will not cause any advertisement with respect
to the Securities (including any "tombstone" advertisement) to be published in
any newspaper or periodical or posted in any public place and will not issue any
circular relating to the Securities, except such advertisements as permitted by
and include the statements required by Regulation S.

               (i)  Such Initial Purchaser agrees that, at or prior to
confirmation of a sale of Securities by it to any distributor, dealer or person
receiving a selling concession, fee or other remuneration during the 40-day
restricted period referred to in Rule 903(c)(3) under the Act, it will send to
such distributor, dealer or person receiving a selling concession, fee or other
remuneration a confirmation or notice to substantially the following effect:

               "The securities covered hereby have not been registered under the
               U.S. Securities Act of 1933, as amended (the "Securities
                                                             ----------

                                       27
<PAGE>

               Act"), and may not be offered and sold within the United States
               ---
               or to, or for the account or benefit of, U.S. persons (i) as part
               of your distribution at any time or (ii) otherwise until 40 days
               after the later of the commencement of the Offering and the
               Closing Date, except in either case in accordance with Regulation
               S under the Securities Act (or Rule 144A or to Accredited
               Institutions in transactions that are exempt from the
               registration requirements of the Securities Act), and in
               connection with any subsequent sale by you of the Securities
               covered hereby in reliance on Regulation S during the period
               referred to above to any distributor, dealer or person receiving
               a selling concession, fee or other remuneration, you must deliver
               a notice to substantially the foregoing effect. Terms used above
               have the meanings assigned to them in Regulation S."

               (j)  Such Initial Purchaser agrees that the Securities offered
and sold in reliance on Regulation S will be represented upon issuance by global
securities that may not be exchanged for definitive securities until the
expiration of the 40-day restricted period referred to in Rule 903(e)(3) of the
Act and only upon certification of beneficial ownership of such Securities by
non-U.S. persons or U.S. persons who purchased such Securities in transactions
that were exempt from the registration requirements of the Act.

               Such Initial Purchaser acknowledges that the Company and the
Guarantors and, for purposes of the opinions to be delivered to each Initial
Purchaser pursuant to Section 9 hereof, counsel to the Company and the
Guarantors and counsel to the Initial Purchaser will rely upon the accuracy and
truth of the foregoing representations and such Initial Purchaser hereby
consents to such reliance.

          8.   Indemnification.
               ---------------

               (a)  The Company and each Guarantor agree, jointly and severally,
to indemnify and hold harmless each Initial Purchaser, its directors, its
officers and each person, if any, who controls such Initial Purchaser within the
meaning of Section 15 of the Act or Section 20 of the Exchange Act, from and
against any and all losses, claims, damages, liabilities and judgments
(including, without limitation, any legal or other expenses incurred in
connection with investigating or defending any matter, including any action,
that could give rise to

                                       28
<PAGE>

any such losses, claims, damages, liabilities or judgments) caused by any untrue
statement or alleged untrue statement of a material fact contained in the
Offering Memorandum (or any amendment or supplement thereto), the Preliminary
Offering Memorandum or any Rule 144A Information provided by the Company or any
Guarantor to any holder or prospective purchaser of Securities pursuant to
Section 5(h) or caused by any omission or alleged omission to state therein a
material fact required to be stated therein or necessary to make the statements
therein not misleading, except insofar as such losses, claims, damages,
liabilities or judgments are caused by any such untrue statement or omission or
alleged untrue statement or omission based upon information relating to the
Initial Purchaser furnished in writing to the Company by such Initial Purchaser
(and not with respect to the information provided by any other Initial
Purchaser); provided, however, that the foregoing indemnity agreement with
respect to any Preliminary Offering Memorandum shall not inure to the benefit of
any Initial Purchaser who failed to deliver a Final Offering Memorandum, as then
amended or supplemented, (so long as the Final Offering Memorandum and any
amendment or supplement thereto was provided by the Company to the several
Initial Purchasers in the requisite quantity and on a timely basis to permit
proper delivery on or prior to the Closing Date) to the person asserting any
losses, claims, damages, liabilities or judgements caused by any untrue
statement or alleged untrue statement of a material fact contained in any
Preliminary Offering Memorandum, or caused by any omission or alleged omission
to state therein a material fact required to be stated therein or necessary to
make the statements therein not misleading, if such material misstatement or
omission or alleged material misstatement or omission was cured in the Final
Offering Memorandum, as so amended or supplemented.

               (b)  Each Initial Purchaser, severally and not jointly, agrees to
indemnify and hold harmless the Company and the Guarantors, and their respective
directors and officers and each person, if any, who controls (within the meaning
of Section 15 of the Act or Section 20 of the Exchange Act) the Company or the
Guarantors, to the same extent as the foregoing indemnity from the Company and
the Guarantors to the Initial Purchasers but only with reference to information
relating to the Initial Purchaser furnished in writing to the Company by the
Initial Purchaser (and not with respect to the information provided by any other
Initial Purchaser) expressly for use in the Preliminary Offering Memorandum or
the Offering Memorandum.

               (c)  In case any action shall be commenced involving any person
in respect of which indemnity may be sought pursuant to Section 8(a) or 8(b)
(the "indemnified party"), the indemnified party shall promptly notify the
      -----------------
person

                                       29
<PAGE>

against whom such indemnity may be sought (the "indemnifying party") in writing
                                                ------------------
and the indemnifying party shall assume the defense of such action, including
the employment of counsel reasonably satisfactory to the indemnified party and
the payment of all fees and expenses of such counsel, as incurred (except that
in the case of any action in respect of which indemnity may be sought pursuant
to both Sections 8(a) and 8(b), the Initial Purchasers shall not be required to
assume the defense of such action pursuant to this Section 8(c), but may employ
separate counsel and participate in the defense thereof, but the fees and
expenses of such counsel, except as provided below, shall be at the expense of
the Initial Purchasers). Any indemnified party shall have the right to employ
separate counsel in any such action and participate in the defense thereof, but
the fees and expenses of such counsel shall be at the expense of the indemnified
party unless (i) the employment of such counsel shall have been specifically
authorized in writing by the indemnifying party, (ii) the indemnifying party
shall have failed to assume the defense of such action or employ counsel
reasonably satisfactory to the indemnified party or (iii) the named parties to
any such action (including any impleaded parties) include both the indemnified
party and the indemnifying party, and the indemnified party shall have been
advised by such counsel that there may be one or more legal defenses available
to it which are different from or additional to those available to the
indemnifying party (in which case the indemnifying party shall not have the
right to assume the defense of such action on behalf of the indemnified party).
In any such case, the indemnifying party shall not, in connection with any one
action or separate but substantially similar or related actions in the same
jurisdiction arising out of the same general allegations or circumstances, be
liable for the fees and expenses of more than one separate firm of attorneys (in
addition to any local counsel) for all indemnified parties and all such fees and
expenses shall be reimbursed as they are incurred. Such firm shall be designated
in writing by DLJ, in the case of the parties indemnified pursuant to Section
8(a), and by the Company, in the case of parties indemnified pursuant to Section
8(b). The indemnifying party shall indemnify and hold harmless the indemnified
party from and against any and all losses, claims, damages, liabilities and
judgments by reason of any settlement of any action (i) effected with its
written consent or (ii) effected without its written consent if the settlement
is entered into more than twenty business days after the indemnifying party
shall have received a request from the indemnified party for reimbursement for
the fees and expenses of counsel (in any case where such fees and expenses are
at the expense of the indemnifying party) and, prior to the date of such
settlement, the indemnifying party shall have failed to comply with such
reimbursement request. No indemnifying party shall, without the prior written
consent of the indemnified party, effect any settlement or compromise of, or
consent to the entry of judgment with respect to, any pending or threatened
action in respect of which the indemnified party is or
                                       30
<PAGE>

could have been a party and indemnity or contribution may be or could have been
sought hereunder by the indemnified party, unless such settlement, compromise or
judgment (i) includes an unconditional release of the indemnified party from all
liability on claims that are or could have been the subject matter of such
action and (ii) does not include a statement as to or an admission of fault,
culpability or a failure to act, by or on behalf of the indemnified party.

               (d)  To the extent the indemnification provided for in this
Section 8 is unavailable to an indemnified party or insufficient in respect of
any losses, claims, damages, liabilities or judgments referred to therein, then
each indemnifying party, in lieu of indemnifying such indemnified party, shall
contribute to the amount paid or payable by such indemnified party as a result
of such losses, claims, damages, liabilities and judgments (i) in such
proportion as is appropriate to reflect the relative benefits received by the
Company and the Guarantors, on the one hand, and the Initial Purchasers on the
other hand from the offering of the Units or (ii) if the allocation provided by
clause 8(d)(i) above is not permitted by applicable law, in such proportion as
is appropriate to reflect not only the relative benefits referred to in clause
8(d)(i) above but also the relative fault of the Company and the Guarantors, on
the one hand, and the Initial Purchasers, on the other hand, in connection with
the statements or omissions which resulted in such losses, claims, damages,
liabilities or judgments, as well as any other relevant equitable
considerations. The relative benefits received by the Company and the
Guarantors, on the one hand and the Initial Purchasers, on the other hand, shall
be deemed to be in the same proportion as the total net proceeds from the
offering of the Units (after underwriting discounts and commissions, but before
deducting expenses) received by the Company, and the total discounts and
commissions received by the Initial Purchasers bear to the total price to
investors of the Units. The relative fault of the Company and the Guarantors, on
the one hand, and the Initial Purchasers, on the other hand, shall be determined
by reference to, among other things, whether the untrue or alleged untrue
statement of a material fact or the omission or alleged omission to state a
material fact relates to information supplied by the Company or the Guarantors,
on the one hand, or the Initial Purchasers, on the other hand, and the parties'
relative intent, knowledge, access to information and opportunity to correct or
prevent such statement or omission.

               The Company, the Guarantors and the Initial Purchasers agree that
it would not be just and equitable if contribution pursuant to this Section 8(d)
were determined by pro rata allocation (even if the Initial Purchasers were
treated as one entity for such purpose) or by any other method of allocation
which does not take account of the equitable considerations referred to in the
immediately preceding

                                       31
<PAGE>

paragraph. The amount paid or payable by an indemnified party as a result of the
losses, claims, damages, liabilities or judgments referred to in the immediately
preceding paragraph shall be deemed to include, subject to the limitations set
forth above, any legal or other expenses incurred by such indemnified party in
connection with investigating or defending any matter, including any action,
that could have given rise to such losses, claims, damages, liabilities or
judgments. Notwithstanding the provisions of this Section 8, the Initial
Purchasers shall not be required to contribute any amount in excess of the
amount by which the total discounts and commissions received by such Initial
Purchasers exceeds the amount of any damages which the Initial Purchasers has
otherwise been required to pay by reason of such untrue or alleged untrue
statement or omission or alleged omission. No person guilty of fraudulent
misrepresentation (within the meaning of Section 11(f) of the Act) shall be
entitled to contribution from any person who was not guilty of such fraudulent
misrepresentation. The Initial Purchasers' obligations to contribute pursuant to
this Section 8(d) are several in proportion to the respective number of Units
purchased by each of the Initial Purchasers hereunder and not joint.

               (e)  The remedies provided for in this Section 8 are not
exclusive and shall not limit any rights or remedies which may otherwise be
available to any indemnified party at law or in equity.

          9.   Conditions of Initial Purchasers' Obligations.  The obligations
               ---------------------------------------------
of the Initial Purchaser to purchase the Units under this Agreement are subject
to the satisfaction of each of the following conditions:

               (a)  All the representations and warranties of the Company and
the Guarantors contained in this Agreement that are qualified as to "Material
Adverse Effect" or other measure of materiality shall be true and correct, and
all of the representations and warranties of the Company and the Guarantors that
are not so qualified shall be true and correct in all material respects, on the
Closing Date with the same force and effect as if made on and as of the Closing
Date.

               (b)  On or after the date hereof, (i) there shall not have
occurred any downgrading, suspension or withdrawal of, nor shall any notice have
been given of any potential or intended downgrading, suspension or withdrawal
of, or of any review (or of any potential or intended review) for a possible
change that does not indicate the direction of the possible change in, any
rating of the Company or any Guarantor or any securities of the Company or any
Guarantor (including, without limitation, the placing of any of the foregoing
ratings on credit watch with negative or developing implications or under review
with an uncertain direction) by

                                       32
<PAGE>

any "nationally recognized statistical rating organization" as such term is
defined for purposes of Rule 436(g)(2) under the Act, (ii) there shall not have
occurred any change, nor shall any notice have been given of any potential or
intended change, in the outlook for any rating of the Company or any Guarantor
or any securities of the Company or any Guarantor by any such rating
organization and (iii) no such rating organization shall have given notice that
it has assigned (or is considering assigning) a lower rating to any of the
Securities than that on which the Units were marketed.

               (c)  Since the respective dates as of which information is given
in the Offering Memorandum other than as set forth in the Offering Memorandum
(exclusive of any amendments or supplements thereto subsequent to the date of
this Agreement), (i) there shall not have occurred any change or any development
involving a prospective change in the condition, financial or otherwise, or the
earnings, business, management or operations of the Company and its
subsidiaries, taken as a whole, (ii) there shall not have been any change or any
development involving a prospective change in the capital stock or in the long-
term debt of the Company or any of its subsidiaries and (iii) neither the
Company nor any of its subsidiaries shall have incurred any liability or
obligation, direct or contingent, the effect of which, in any such case
described in clause 9(c)(i), 9(c)(ii) or 9(c)(iii), in your judgment, is
material and adverse and, in your judgment, makes it impracticable to market the
Securities on the terms and in the manner contemplated in the Offering
Memorandum.

               (d)  You shall have received on the Closing Date a certificate
dated the Closing Date, signed by the Chief Executive Officer and the Chief
Financial Officer of the Company and each of the Guarantors, confirming the
matters set forth in Sections 6(dd), 9(a) and 9(b) and stating that each of the
Company and the Guarantors has complied with all the agreements and satisfied
all of the conditions herein contained and required to be complied with or
satisfied on or prior to the Closing Date.

               (e)  You shall have received on the Closing Date an opinion
(satisfactory to you and counsel for the Initial Purchasers), dated the Closing
Date, of Mayer, Brown & Platt, counsel for the Company and the Guarantors, to
the effect that:

                    (i)   each of the Company and its subsidiaries has been duly
               incorporated, is validly existing as a corporation in good
               standing under the laws of its jurisdiction of incorporation and
               has the corporate power and authority to

                                       33
<PAGE>

               carry on its business as described in the Offering Memorandum and
               to own, lease and operate its properties;

                    (ii)  each of the Company and its subsidiaries is duly
               qualified and is in good standing as a foreign corporation
               authorized to do business in each jurisdiction that is listed on
               a schedule to such opinion;

                    (iii) all the outstanding shares of capital stock of the
               Company have been duly authorized and validly issued and are
               fully paid, nonassessable and not subject to any preemptive or
               similar rights;

                    (iv)  all of the outstanding shares of capital stock of each
               of the Company's subsidiaries have been duly authorized and
               validly issued and are fully paid and nonassessable, and are
               owned by the Company, free and clear of any Lien, except as
               provided in the Credit Agreement;

                    (v)   the Warrant Agreement has been duly authorized,
               executed and delivered by the Company and is a valid and binding
               agreement of the Company, enforceable in accordance with its
               terms except as (x) the enforceability thereof may be limited by
               bankruptcy, insolvency or similar laws affecting creditors'
               rights generally and (y) rights of acceleration and the
               availability of equitable remedies may be limited by equitable
               principles of general applicability;

                    (vi)  the Warrants have been duly authorized and, when
               executed by the Company in accordance with the provisions of the
               Warrant Agreement and delivered to and paid for by the Initial
               Purchasers in accordance with the terms of this Agreement, will
               be valid and binding obligations of the Company, enforceable in
               accordance with its terms except as (x) the enforceability
               thereof may be limited by bankruptcy, insolvency or similar laws
               affecting creditors' rights generally and (y) rights of
               acceleration and the availability of equitable remedies may be
               limited by equitable principles of general applicability;

                                       34
<PAGE>

                    (vii)  the Warrant Shares have been duly and validly
               authorized for issuance by the Company and, when issued pursuant
               to the terms of the Warrants and the Warrant Agreement, will be
               validly issued, fully paid, nonassessable and not subject to any
               preemptive or similar rights;

                    (viii) the Indenture has been duly authorized, executed and
               delivered by the Company and each Guarantor and is a valid and
               binding agreement of the Company and each Guarantor, enforceable
               against the Company and each Guarantor in accordance with its
               terms except as (x) the enforceability thereof may be limited by
               bankruptcy, insolvency or similar laws affecting creditors'
               rights generally and (y) rights of acceleration and the
               availability of equitable remedies may be limited by equitable
               principles of general applicability;

                    (ix)   the Initial Notes have been duly authorized and, when
               executed and authenticated in accordance with the provisions of
               the Indenture and delivered to and paid for by the Initial
               Purchasers in accordance with the terms of this Agreement, will
               be entitled to the benefits of the Indenture and will be valid
               and binding obligations of the Company, enforceable against the
               Company in accordance with their terms except as (x) the
               enforceability thereof may be limited by bankruptcy, insolvency
               or similar laws affecting creditors' rights generally and (y)
               rights of acceleration and the availability of equitable remedies
               may be limited by equitable principles of general applicability;

                    (x)    the Guarantees have been duly authorized and, when
               the Initial Notes are executed and authenticated in accordance
               with the provisions of the Indenture and delivered to and paid
               for by the Initial Purchasers in accordance with the terms of
               this Agreement, the holders of the Guarantees endorsed thereon
               will be entitled to the benefits of the Indenture and the
               Guarantees will be valid and binding obligations of the
               Guarantors, enforceable against each of the Guarantors in
               accordance with their terms except as (x) the enforceability
               thereof may be limited by bankruptcy,

                                       35
<PAGE>

               insolvency or similar laws affecting creditors' rights generally
               and (y) rights of acceleration and the availability of equitable
               remedies may be limited by equitable principles of general
               applicability;

                    (xi)   each of the Company and the Guarantors has duly and
               validly authorized the issuance of the Initial Notes, the
               Guarantees and Warrants as Units.

                    (xii)  this Agreement has been duly authorized, executed and
               delivered by the Company and the Guarantors;

                    (xiii) the Notes Registration Rights Agreement has been duly
               authorized, executed and delivered by the Company and the
               Guarantors and is a valid and binding agreement of the Company
               and each Guarantor, enforceable against the Company and each
               Guarantor in accordance with its terms except as (x) the
               enforceability thereof may be limited by bankruptcy, insolvency
               or similar laws affecting creditors' rights generally and (y)
               rights of acceleration and the availability of equitable remedies
               may be limited by equitable principles of general applicability;

                    (xiv)  the Warrant Registration Rights Agreement has been
               duly authorized, executed and delivered by the Company and is a
               valid and binding agreement of the Company, enforceable against
               the Company in accordance with its terms, except as (x) the
               enforceability thereof may be limited by bankruptcy, insolvency
               or similar laws affecting creditors' rights generally and (y)
               rights of acceleration and the availability of equitable remedies
               may be limited by equitable principles of general applicability;

                    (xv)   the Exchange Notes have been duly authorized;

                    (xvi)  the statements under the captions "The Sprint PCS
               Agreements," "Description of Our Indebtedness," "The
               Reorganization," "Regulation of the Wireless Industry,"
               "Description of Units," "Description of Notes," "Description of
               Warrants," "Description of Capital Stock" and "Certain

                                       36
<PAGE>

               United States Federal Income Tax Considerations" in the Offering
               Memorandum, insofar as such statements constitute a summary of
               the legal matters, documents or proceedings referred to therein,
               fairly present in all material respects such legal matters,
               documents and proceedings;

                    (xvii)  the execution, delivery and performance of this
               Agreement and the other Operative Documents by the Company and
               each of the Guarantors, the compliance by the Company and each of
               the Guarantors with all provisions hereof and thereof and the
               consummation of the transactions contemplated hereby and thereby
               will not (i) require any consent, approval, authorization or
               other order of, or qualification with, any court or governmental
               body or agency (except as shall already have been obtained and
               such as may be required under the securities or Blue Sky laws of
               the various states), (ii) conflict with or constitute a breach of
               any of the terms or provisions of, or a default under, the
               charter or by-laws of the Company or any of its subsidiaries or
               any indenture, loan agreement, mortgage, lease or other agreement
               or instrument that is listed on an exhibit to such counsel's
               opinion, which exhibit shall include the documents identified in
               an officer's certificate delivered to the Initial Purchasers
               certifying that such exhibit identifies all such documents (the
               "Material Documents") that are material to the Company and its
                ------------------
               subsidiaries, taken as a whole, to which the Company or any of
               its subsidiaries is a party or by which the Company or any of its
               subsidiaries or their respective property is bound, (iii) violate
               or conflict with any applicable law or any rule, regulation,
               judgment, order or decree of any court or any governmental body
               or agency having jurisdiction over the Company, any of its
               subsidiaries or their respective property, or (iv) result in the
               imposition or creation of (or the obligation to create or impose)
               a Lien under, any Material Document;

                    (xviii)  each of the Bank Financing Agreements (A) has been
               duly authorized, executed and delivered by, (B) constitutes the
               valid and binding obligation of, and (C) is enforceable in
               accordance with its terms against (except as (x) the
               enforceability thereof may be limited by bankruptcy,

                                       37
<PAGE>

               insolvency or similar laws affecting creditors' rights generally
               and (y) rights of acceleration and the availability of equitable
               remedies may be limited by equitable principles of general
               applicability), the Company and its affiliates, to the extent
               each is a party thereto;

                    (xix)  each of the Equity Financing Agreements (A) has been
               duly authorized, executed and delivered by, (B) constitutes the
               valid and binding obligation of, and (C) is enforceable in
               accordance with its terms against (except as (x) the
               enforceability thereof may be limited by bankruptcy, insolvency
               or similar laws affecting creditors' rights generally and (y)
               rights of acceleration and the availability of equitable remedies
               may be limited by equitable principles of general applicability),
               the Company and its affiliates, to the extent each is a party
               thereto;

                    (xx)  the execution, delivery and performance of the Bank
               Financing Agreements and the Equity Financing Agreements by the
               Company and any of its affiliates that are a party thereto, the
               compliance by the Company and such affiliates with all the
               provisions thereof and the consummation of the transactions
               contemplated thereby do not (A) require any consent, approval,
               authorization or other order of, or qualification with, any court
               or governmental body or agency (except such as have already been
               obtained), (B) conflict with or constitute a breach of any of the
               terms or provisions of, or a default under (or an event which
               with notice or lapse of time, or both, would constitute a breach
               of or a default under), the certificate of incorporation or by-
               laws of the Company or any of its subsidiaries or any Material
               Document, or (C) violate or conflict with any applicable law or
               any rule, regulation, judgment, order or decree of any court or
               any governmental body or agency having jurisdiction over the
               Company, any of its subsidiaries or their respective property;

                    (xxi)  none of the Company or the Guarantors is and, after
               giving effect to the offering and sale of the Securities and the
               application of the net proceeds thereof as described in the
               Offering Memorandum, will be, an "investment company" as

                                       38
<PAGE>

               such term is defined in the Investment Company Act of 1940, as
               amended;

                    (xxii)  the Indenture complies as to form in all material
               respects with the requirements of the TIA, and the rules and
               regulations of the Commission applicable to an indenture which is
               qualified thereunder.  It is not necessary in connection with the
               offer, sale and delivery of the Securities to the Initial
               Purchasers in the manner contemplated by this Agreement or in
               connection with the Exempt Resales to qualify the Indenture under
               the TIA.

                    (xxiii)  no registration under the Act of the Securities is
               required for the sale of the Securities to the Initial Purchasers
               as contemplated by this Agreement or for the Exempt Resales
               assuming that (i) each Initial Purchaser is a QIB or an
               Accredited Institution, (ii) the accuracy of, and compliance
               with, the Initial Purchasers' representations and agreements
               contained in Section 7 of this Agreement, and (iii) the accuracy
               of the representations of the Company and the Guarantors set
               forth in the sections of this Agreement specified in such
               opinion.

                    (xxiv)  nothing has led such counsel to believe that, as of
               the date of the Offering Memorandum or as of the Closing Date,
               the Offering Memorandum, as amended or supplemented, if
               applicable (except for the financial statements and other
               financial data included therein, as to which such counsel need
               not express any belief) contains any untrue statement of a
               material fact or omits to state a material fact necessary in
               order to make the statements therein, in the light of the
               circumstances under which they were made, not misleading.

          The opinion referred to in clauses (xvi) (but only with respect to
"Description of Our Indebtedness") and (xxii) (but only with respect to the Bank
Financing Agreements) may be given in an opinion (satisfactory to you and
counsel for the Initial Purchasers), dated the Closing Date, of Meyer Capel,
counsel to the Company and the Guarantors. The opinion of Mayer, Brown & Platt
described in Section 9(e) above and the opinion of Meyer Capel shall be rendered
to you at the

                                       39
<PAGE>

request of the Company and the Guarantors and shall so state therein. In giving
such opinion with respect to the matters covered by Section 9(e)(xxiv), Mayer,
Brown & Platt may state that their opinion and belief are based upon their
participation in the preparation of the Offering Memorandum and any amendments
or supplements thereto and review and discussion of the contents thereof, but
are without independent check or verification except as specified.

               (f)  The Initial Purchasers shall have received on the Closing
Date an opinion, dated the Closing Date, of Skadden, Arps, Slate, Meagher & Flom
(Illinois), counsel for the Initial Purchasers, in form and substance reasonably
satisfactory to the Initial Purchasers.

               (g)  The Initial Purchasers shall have received, at the time this
Agreement is executed and at the Closing Date, letters dated the date hereof or
the Closing Date, as the case may be, in form and substance satisfactory to the
Initial Purchasers from Deloitte & Touche LLP, independent public accountants,
containing the information and statements of the type ordinarily included in
accountants' "comfort letters" to the Initial Purchasers with respect to the
financial statements and certain financial information contained in the Offering
Memorandum.

               (h)  The Initial Notes and Warrants as Units shall have been
approved by the NASD for trading and duly listed in PORTAL.

               (i)  The Initial Purchasers shall have received a counterpart,
conformed as executed, of the Indenture which shall have been entered into by
the Company, the Guarantors and the Trustee.

               (j)  The Initial Purchasers shall have received a counterpart,
conformed as executed, of the Warrant Agreement which shall have been entered
into by the Company and the Warrant Agent.

               (k)  The Company and the Guarantors shall have executed the Notes
Registration Rights Agreement and the Initial Purchasers shall have received an
original copy thereof, duly executed by the Company and the Guarantors.

               (l)  The Company shall have executed the Warrant Registration
Rights Agreement and the Initial Purchasers shall have received an original copy
thereof, duly executed by the Company.

                                       40
<PAGE>

               (m)  The Company and its subsidiaries shall have entered into
Bank Financing Agreements on terms and conditions deemed satisfactory by the
Initial Purchasers, in their sole discretion, after giving due consideration to
the surrounding circumstances, the capital necessary to finance the Company's
business plan and such other factors as the Initial Purchasers shall deem
relevant.

               (n)  The Company shall have entered into Equity Financing
Agreements on terms and conditions deemed satisfactory by the Initial
Purchasers, in its sole discretion, after giving due consideration to the
surrounding circumstances, the capital necessary to finance the Company's
business plan and such other factors as the Initial Purchasers shall deem
relevant.

               (o)  The Company shall have received the proceeds from the
issuance of at least $50.0 million of equity pursuant to the Equity Financing
Agreements and shall have provided evidence thereof reasonably satisfactory to
the Initial Purchasers.

               (p)  The acquisition of network assets in Michigan as described
in the Offering Memorandum shall have been completed and the Company shall have
provided evidence thereof reasonably satisfactory to the Initial Purchasers.

               (q)  The Company shall have delivered evidence reasonably
satisfactory to the Initial Purchasers and counsel for the Initial Purchasers
that the transactions contemplated by the Plan of Reorganization have been
consummated in all respects in accordance with the terms of such Plan of
Reorganization.

               (r)  Neither the Company nor the Guarantors shall have failed at
or prior to the Closing Date to perform or comply with any of the agreements
herein contained in all material respects and required to be performed or
complied with by the Company or the Guarantors, as the case may be, at or prior
to the Closing Date.

          10.  Effectiveness of Agreement and Termination.  This Agreement shall
               ------------------------------------------
become effective upon the execution and delivery of this Agreement by the
parties hereto.

          This Agreement may be terminated at any time on or prior to the
Closing Date by the Initial Purchasers by written notice to the Company if any
of the following has occurred:  (i) any outbreak or escalation of hostilities or
other national

                                       41
<PAGE>

or international calamity or crisis or change in economic conditions or in the
financial markets of the United States or elsewhere that, in the Initial
Purchasers' judgment, is material and adverse and, in the Initial Purchasers'
judgment, makes it impracticable to market the Securities on the terms and in
the manner contemplated in the Offering Memorandum, (ii) the suspension or
material limitation of trading in securities or other instruments on the New
York Stock Exchange, the American Stock Exchange, the Chicago Board of Options
Exchange, the Chicago Mercantile Exchange, the Chicago Board of Trade or the
Nasdaq National Market or limitation on prices for securities or other
instruments on any such exchange or the Nasdaq National Market, (iii) the
suspension of trading of any securities of the Company or any Guarantor on any
exchange or in the over-the-counter market, (iv) the enactment, publication,
decree or other promulgation of any federal or state statute, regulation, rule
or order of any court or other governmental authority which in your opinion
materially and adversely affects, or will materially and adversely affect, the
business, prospects, financial condition or results of operations of the Company
and its subsidiaries, taken as a whole, (v) the declaration of a banking
moratorium by either federal or New York State authorities or (vi) the taking of
any action by any federal, state or local government or agency in respect of its
monetary or fiscal affairs which in your opinion has a material adverse effect
on the financial markets in the United States.

          If on the Closing Date any one or more of the Initial Purchasers shall
fail or refuse to purchase the Units which it or they have agreed to purchase
hereunder on such date and the number of the Units which such defaulting Initial
Purchaser or Initial Purchasers, as the case may be, agreed but failed or
refused to purchase is not more than one-tenth of the number of Units to be
purchased on such date by all Initial Purchasers, each non-defaulting Initial
Purchaser shall be obligated severally, in the proportion which the number of
the Units set forth opposite its name in Schedule A bears to the number of the
Units which all the non-defaulting Initial Purchasers, as the case may be, have
agreed to purchase, or in such other proportion as you may specify, to purchase
the Units which such defaulting Initial Purchaser or Initial Purchasers, as the
case may be agreed but failed or refused to purchase on such date; provided that
in no event shall the number of the Units which any Initial Purchaser has agreed
to purchase pursuant to Section 2 hereof be increased pursuant to this Section
10 by an amount in excess of one-ninth of such number of the Units without the
written consent of such Initial Purchaser.  If on the Closing Date any Initial
Purchaser or Initial Purchasers shall fail or refuse to purchase the Units and
the number of the Units with respect to which such default occurs is more than
one-tenth of the aggregate number of the Units to be purchased by all Initial
Purchasers and arrangements satisfactory to the Initial Purchasers and the
Company for purchase of such Units are not made within 48 hours after such
default, this Agreement will

                                       42
<PAGE>

terminate without liability on the part of any non-defaulting Initial Purchaser
and the Company. In any such case which does not result in termination of this
Agreement, either you or the Company shall have the right to postpone the
Closing Date, but in no event for longer than seven days, in order that the
required changes, if any, in the Offering Memorandum or any other documents or
arrangements may be effected. Any action taken under this paragraph shall not
relieve any defaulting Initial Purchaser from liability in respect of any
default of any such Initial Purchaser under this Agreement.

          11.  Miscellaneous.  Notices given pursuant to any provision of this
               -------------
Agreement shall be addressed as follows:  (i) if to the Company or any
Guarantor, to iPCS, Inc., 111 E. First Street, Geneseo, Illinois 61254,
Attention: President, and (ii) if to the Initial Purchasers, c/o Donaldson,
Lufkin & Jenrette Securities Corporation, 277 Park Avenue, New York, New York
10172, Attention: Syndicate Department, or in any case to such other address as
the person to be notified may have requested in writing.

          The respective indemnities, contribution agreements, representations,
warranties and other statements of the Company, the Guarantors and the Initial
Purchasers set forth in or made pursuant to this Agreement shall remain
operative and in full force and effect, and will survive delivery of and payment
for the Securities, regardless of (i) any investigation, or statement as to the
results thereof, made by or on behalf of the Initial Purchasers, the officers or
directors of the Initial Purchasers, any person controlling the Initial
Purchasers, the Company, any Guarantor, the officers or directors of the Company
or any Guarantor, or any person controlling the Company or any Guarantor, (ii)
acceptance of the Securities and payment for them hereunder and (iii)
termination of this Agreement.

          If for any reason the Securities are not delivered by or on behalf of
the Company as provided herein (other than as a result of any termination of
this Agreement pursuant to Section 10), the Company and each Guarantor, jointly
and severally, agree to reimburse the Initial Purchasers for all out-of-pocket
expenses (including the fees and disbursements of counsel) incurred by the
Initial Purchasers. Notwithstanding any termination of this Agreement, the
Company shall be liable for all expenses which it has agreed to pay pursuant to
Section 5(i) hereof.  The Company and each Guarantor also agree, jointly and
severally, to reimburse the Initial Purchasers and their respective officers,
directors and each person, if any, who controls such Initial Purchaser within
the meaning of Section 15 of the Act or Section 20 of the Exchange Act for any
and all fees and expenses (including without limitation the fees and expenses of
counsel) incurred by them in connection with enforcing their rights under this
Agreement (including without limitation its rights under Section 8).

                                       43
<PAGE>

          Except as otherwise provided, this Agreement has been and is made
solely for the benefit of and shall be binding upon the Company, the Guarantors,
the Initial Purchasers, the Initial Purchasers' directors and officers, any
controlling persons referred to herein, the directors of the Company and the
Guarantors and their respective successors and assigns, all as and to the extent
provided in this Agreement, and no other person shall acquire or have any right
under or by virtue of this Agreement.  The term "successors and assigns" shall
not include a purchaser of any of the Securities from the Initial Purchasers
merely because of such purchase.

          This Agreement shall be governed and construed in accordance with the
laws of the State of New York.

          This Agreement may be signed in various counterparts which together
shall constitute one and the same instrument.

                                       44
<PAGE>

          Please confirm that the foregoing correctly sets forth the agreement
among the Company, the Guarantors and the Initial Purchasers.

                                        Very truly yours,

                                        iPCS, INC.

                                        By: /s/ Timothy M. Yager
                                            --------------------
                                            Name:  Timothy M. Yager
                                            Title: President and Chief
                                                   Executive Officer

                                        iPCS EQUIPMENT, INC.

                                        By: /s/ Timothy M. Yager
                                            --------------------
                                            Name:  Timothy M. Yager
                                            Title: President and Chief
                                                   Executive Officer

                                        iPCS WIRELESS, INC.

                                        By: /s/ Timothy M. Yager
                                            --------------------
                                            Name:  Timothy M. Yager
                                            Title: President and Chief
                                                   Executive Officer

DONALDSON, LUFKIN & JENRETTE
  SECURITIES CORPORATION
TD SECURITIES (USA) INC.

     By:  Donaldson, Lufkin & Jenrette
          Securities Corporation

     By: /s/ David P. Costanzo
         ----------------------
         Name:  David P. Costanzo

                                       45
<PAGE>

          Title:  Senior Vice President

                                  SCHEDULE A

<TABLE>
<CAPTION>
                                                            Number
                                                            ------
                      Initial Purchasers                    of Units
                      ------------------                    --------
               <S>                                          <C>
               Donaldson, Lufkin & Jenrette
                    Securities Corporation...............   255,000

               TD Securities (USA) Inc...................    45,000
                                                            -------
                    Total................................   300,000
                                                            =======
</TABLE>

                                      S-1
<PAGE>

                                   EXHIBIT A

                  Form of Notes Registration Rights Agreement
<PAGE>

                                   EXHIBIT B

                 Form of Warrant Registration Rights Agreement

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