Document:

<PAGE>

                                                                     Exhibit 4.3

                        FIRST AMENDMENT TO WARRANT AGREEMENT

          FIRST AMENDMENT TO WARRANT AGREEMENT, dated as of June 12, 2000 (this
"AMENDMENT"), by and between UBIQUITEL INC., a Delaware corporation (the
"COMPANY"), and AMERICAN STOCK TRANSFER & TRUST COMPANY, a New York corporation,
as warrant agent (the "WARRANT AGENT").

          WHEREAS, the Company and Warrant Agent are parties to that certain
Warrant Agreement, dated as of April 11, 2000 (the "WARRANT AGREEMENT") relating
to 354,971 warrants (the "WARRANTS") to purchase an aggregate (as of the date
hereof, after giving effect to the Company's 2 for 1 stock split effected on
June 1, 2000) of 4,234,804.03 shares of the common stock, $0.0005 par value
("COMMON STOCK") of the Company;

          WHEREAS, 54,971 warrants (the "SEPARATE WARRANTS") exercisable (as of
the date hereof) to purchase an aggregate of 655,804.03 shares of Common Stock
under the Warrant Agreement are being cancelled by the Company as of the date
hereof and shall no longer be a part of or subject to the Warrant Agreement;

          WHEREAS, pursuant to Section 21 of the Warrant Agreement, the Company
and the Warrant Agent desire hereby to amend the Warrant Agreement to provide
for the cancellation of such Separate Warrants;

          NOW, THEREFORE, the parties hereby agree as follows:

          Section 1.     AMENDMENTS.

     1.1  DEFINITIONS.

          (a)  The definition of "WARRANTS" shall be amended to mean 300,000
warrants to purchase an aggregate (as of the date hereof, after giving effect to
the Company's 2 for 1 stock split effected on June 1, 2000 in accordance with
the terms of the Warrant Agreement) of 3,579,000 shares of the Common Stock of
the Company, subject to further adjustment in accordance with the terms of the
Warrant Agreement.  The definitions of "WARRANTS" and "UNIT WARRANTS" shall be
used interchangeably.

          (b)  The definition of "SEPARATE WARRANTS" shall be deleted.

     1.2  OTHER AMENDMENTS.

          (a)  The last sentence of Section 3.1 shall be deleted in its
entirety.

<PAGE>

          (b)  The last sentence of Section 5 shall be deleted in its entirety.

          (c)  Section 6.7(d) shall be deleted in its entirety.

          (d)  Footnote 3 in Exhibit A shall be deleted, together with the
corresponding legend.

               Section 2.     MISCELLANEOUS.

          2.1  ADJUSTMENT OF EXERCISE PRICE AND NUMBER OF WARRANT SHARES.  The
Company and Warrant Agent hereby agree, for purposes of Section 12 of the
Warrant Agreement, that, by virtue of the Company's 2 for 1 stock split effected
on June 1, 2000, each Warrant shall entitle the holder thereof to purchase 11.93
shares of Common Stock of the Company at an exercise price of $11.37 per share.
The Company and Warrant Agent hereby agree to take all action necessary under
Section 15 to provide notice to the Warrant holders; PROVIDED, HOWEVER, that the
parties hereby waive the requirement of delivery of a certificate of a firm of
independent public accountants with respect to the calculation of the revised
Exercise Price.

          2.2  WARRANT AGREEMENT OTHERWISE UNCHANGED.  Except as expressly
amended hereby, the Warrant Agreement shall remain unchanged and in full force
and effect in accordance with its terms.

          2.3  GOVERNING LAW.  THIS AMENDMENT SHALL BE GOVERNED BY THE INTERNAL
LAWS OF THE STATE OF NEW YORK, WITHOUT GIVING EFFECT TO THE CONFLICT OF LAWS
PROVISIONS THEREOF.

          2.4  COUNTERPARTS.  This Amendment may be executed in any number of
counterparts, each of which shall be deemed to be an original and all of which
collectively shall be deemed to be one and the same instrument.

             [The remainder of this page is intentionally left blank.]

                                       2

<PAGE>

          IN WITNESS WHEREOF, the parties hereto have caused this Amendment to
be duly executed, as of the day and year first above written.

                                        UBIQUITEL INC.

                                        By:
                                            ------------------------------------
                                             Name:
                                             Title:

                                        AMERICAN STOCK TRANSFER &
                                         TRUST COMPANY

                                        By:
                                            ------------------------------------
                                             Name:
                                             Title:

                                       3<PAGE>

                                                                     Exhibit 4.4

================================================================================

                                 WARRANT AGREEMENT

                                DATED JUNE 12, 2000

                                   by and between

                                   UBIQUITEL INC.

                                        and

                DONALDSON, LUFKIN & JENRETTE SECURITIES CORPORATION

================================================================================

<PAGE>

                                 TABLE OF CONTENTS

<TABLE>
<CAPTION>

                                                                                  PAGE
                                                                                  ----
<S>            <C>                                                                <C>
Section 1.     Certain Definitions . . . . . . . . . . . . . . . . . . . . . . . . .1

Section 2.     Issuance of Warrants. . . . . . . . . . . . . . . . . . . . . . . . .2

Section 3.     Execution of Warrant Certificates . . . . . . . . . . . . . . . . . .2

Section 4.     Registration of Transfers and Exchanges . . . . . . . . . . . . . . .3

        4.2       Legends. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

        4.3       Obligations with Respect to Transfers and Exchanges of Warrants. .4

Section 5.     Terms of Warrants; Exercise of Warrants . . . . . . . . . . . . . . .5

Section 6.     Payment of Taxes. . . . . . . . . . . . . . . . . . . . . . . . . . .6

Section 7.     Mutilated or Missing Warrant Certificates . . . . . . . . . . . . . .6

Section 8.     Reservation of Warrant Shares . . . . . . . . . . . . . . . . . . . .6

Section 9.     Obtaining Stock Exchange Listings . . . . . . . . . . . . . . . . . .7

Section 10.    Adjustment of Exercise Price and Number of Warrant Shares
               Issuable. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7

        10.1      Stock Splits, Combinations, etc. . . . . . . . . . . . . . . . . .7

        10.2      Reclassification, Combinations, Mergers, etc . . . . . . . . . . .7

        10.3      Issuance of Options or Convertible Securities. . . . . . . . . . .8

        10.4      Dividends and Distributions. . . . . . . . . . . . . . . . . . . .9

        10.5      Fair Market Value. . . . . . . . . . . . . . . . . . . . . . . . .9

        10.6      Certain Distribution . . . . . . . . . . . . . . . . . . . . . . .10

        10.7      Consideration Received . . . . . . . . . . . . . . . . . . . . . .10

        10.8      Deferral of Certain Adjustments. . . . . . . . . . . . . . . . . .10

        10.9      Changes in Options and Convertible Securities. . . . . . . . . . .10

        10.10     Expiration of Options and Convertible Securities . . . . . . . . .11

        10.11     Other Adjustments. . . . . . . . . . . . . . . . . . . . . . . . .11

        10.12     No Adjustment Required . . . . . . . . . . . . . . . . . . . . . .11

Section 11.   Statement on Warrants. . . . . . . . . . . . . . . . . . . . . . . . .12

Section 12.   Fractional Interest. . . . . . . . . . . . . . . . . . . . . . . . . .12

Section 13.   Notices to Warrant Holders . . . . . . . . . . . . . . . . . . . . . .12

Section 14.   Reports. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13

Section 15.   Notices to Company . . . . . . . . . . . . . . . . . . . . . . . . . .13

Section 16.   Supplements and Amendments . . . . . . . . . . . . . . . . . . . . . .14

Section 17.   Successors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

                                       i

<PAGE>

                                 TABLE OF CONTENTS
                                    (CONTINUED)

                                                                                  PAGE
                                                                                  ----
<S>            <C>                                                                <C>
Section 18.   Termination. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

Section 19.   Governing Law. . . . . . . . . . . . . . . . . . . . . . . . . . . . .14

Section 20.   Benefits of This Agreement . . . . . . . . . . . . . . . . . . . . . .15

Section 21.   Counterparts . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
</TABLE>

                                       ii

<PAGE>

              WARRANT AGREEMENT, dated as of June 12, 2000 (this
"AGREEMENT"), between UBIQUITEL INC., a Delaware corporation (together with
any and all successors thereto, the "COMPANY"), and DONALDSON, LUFKIN &
JENRETTE SECURITIES CORPORATION, as initial Holder of the Warrants described
herein.  Unless otherwise noted, capitalized terms have the meanings set
forth in Section 1 below.

              WHEREAS, the Company proposes to issue common stock warrants,
as hereinafter described (the "WARRANTS"), initially exercisable to purchase
an aggregate of 86,183 shares of the common stock, $0.0005 par value ("COMMON
STOCK"), of the Company;

              NOW, THEREFORE, in consideration of the premises and the mutual
agreements herein set forth, and for the purpose of defining the respective
rights and obligations of the Company and the Holders, the parties hereto
agree as follows:

              Section 1.   CERTAIN DEFINITIONS.  (a) As used in this
Agreement, the following terms shall have the following respective meanings:

              "Board of Directors" means  (1) in respect of a limited
liability company, the board of advisors of the Company; (2) in respect of a
corporation, the board of directors of the corporation, or any authorized
committee thereof; and (3) in respect of any other Person, the board or
committee of that Person serving a similar function.

              "Business Day" means any day other than a Legal Holiday.

              "Capital Stock" means (a) in the case of a corporation,
corporate stock, (b) in the case of an association or business entity, any
and all shares, interests, participations, rights or other equivalents
(however designated) of corporate stock, (c) in the case of a partnership or
limited liability company, partnership or membership interests (whether
general or limited) and (d) any other interest or participation that confers
on a Person the right to receive a share of the profits and losses of, or
distributions of assets of, the issuing Person.

              "Common Stock" means the voting common stock, $0.0005 par
value, of the Company or its successors and any other class of series of
common equity equivalent shares of the Company or its successors.

              "Exchange Act" means the Securities Exchange Act of 1934, as
amended (or any successor act), and the rules and regulations thereunder.

              "Excluded Securities" shall have the meaning set forth in
Section 10.12.

              "Exercisability Date" means June 12, 2001.

              "Exercise Price" means the purchase price per share of Common
Stock to be paid upon the exercise of each Warrant in accordance with the
terms hereof, which price shall initially be $8.00 per share, subject to
adjustment from time to time pursuant to Section 10 hereof.

              "Expiration Date" means June 12, 2005.

<PAGE>

              "Fair Market Value" means the current price per share of the
Common Stock or the Warrant Shares, as applicable, as determined under
Section 10.5 hereof.

              "Holder" means a registered holder of Warrants.

              "Legal Holiday" means a Saturday, a Sunday or a day on which
banking institutions in the City of New York or at a place of payment are
authorized by law, regulation or executive order to remain closed.  If any
action is required to be taken on a date that is a Legal Holiday, such action
may be taken on the next succeeding day that is not a Legal Holiday.

              "Person" means any individual, corporation, partnership,
limited liability company, joint venture, association, joint-stock company,
trust, unincorporated organization or government or any agency or political
subdivision thereof, including any subdivision or ongoing business of any
such entity or substantially all of the assets of any such entity,
subdivision or business.

              "Registration Rights Agreement" means that Registration Rights
Agreement, dated as of the date hereof, between the Company and Donaldson,
Lufkin & Jenrette Securities Corporation, relating to registration of the
resale and exercise of Warrants and resale of the shares of Common Stock
issuable thereunder under the Securities Act.

              "Transfer Restricted Securities" shall have the meaning set
forth in the Registration Rights Agreement.

              "SEC" means the Securities and Exchange Commission, or any
successor agency or body performing substantially similar functions.

              "Securities Act" means the Securities Act of 1933, as amended
(or any successor act), and the rules and regulations thereunder.

              "Warrant Shares" means up to 86,183 shares of Common Stock
issued or issuable upon the exercise of the Warrants, subject to adjustment
from time to time pursuant to Section 10 hereof.

              (b)  Other terms are defined in the respective sections set
forth below.

<TABLE>
<CAPTION>

TERM                                                                         DEFINED IN SECTION
----                                                                         ------------------
<S>                                                                          <C>
Convertible Securities . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.3

Distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.3
Excluded Securities. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10.12
Options. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.3
SEC Reports. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
STAMP. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Time of Determination. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10.5
Transfer Agent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Warrant Certificates . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
</TABLE>

                                       2

<PAGE>

              Section 2.   ISSUANCE OF WARRANTS.  The Warrants will be issued
in the form of one or more certificates in definitive form, substantially in
the form of EXHIBIT A.

              Section 3.   EXECUTION OF WARRANT CERTIFICATES.  Certificates
(the "WARRANT CERTIFICATES") evidencing the Warrants to be delivered pursuant
hereto shall be signed on behalf of the Company by its Chairman of the Board,
President, Chief Executive Officer, Chief Financial Officer, any Vice
President, Secretary, an Assistant Secretary, Treasurer or an Assistant
Treasurer.  Each such signature upon the Warrant Certificates may be in the
form of a facsimile signature of the present or any future Chairman of the
Board, President, Chief Executive Officer, Chief Financial Officer, any Vice
President, Secretary, an Assistant Secretary, Treasurer or an Assistant
Treasurer and may be imprinted or otherwise reproduced on the Warrant
Certificates and for that purpose the Company may adopt and use the facsimile
signature of any person who shall have been Chairman of the Board, President,
Chief Executive Officer, Chief Financial Officer, any Vice President,
Secretary, an Assistant Secretary, Treasurer or an Assistant Treasurer,
notwithstanding the fact that at the time the Warrant Certificates shall be
countersigned and delivered or disposed of such person shall have ceased to
hold such office.

              In case any officer of the Company who shall have signed any of
the Warrant Certificates shall cease to be such officer before the Warrant
Certificates so signed shall have been disposed of by the Company, such
Warrant Certificates nevertheless may be delivered or disposed of as though
such person had not ceased to be such officer of the Company; and any Warrant
Certificate may be signed on behalf of the Company by any person who, at the
actual date of the execution of such Warrant Certificate, shall be a proper
officer of the Company to sign such Warrant Certificate, although at the date
of the execution of this Agreement any such person was not such officer.

              Section 4.   REGISTRATION OF TRANSFERS AND EXCHANGES.  When
Warrants are presented to the Company with a request:

       (a)    to register the transfer of the Warrants; or

       (b)    to exchange such Warrants for an equal number of Warrants of
other authorized denominations,

the Company shall register the transfer or make the exchange as requested if
its requirements for such transactions are met; PROVIDED, HOWEVER, that the
Warrants presented or surrendered for registration of transfer or exchange:

                     (x)    shall be duly endorsed or accompanied by a written
       instruction of transfer in form satisfactory to the Company, duly
       executed by the Holder thereof or by his attorney, duly authorized in
       writing; and

                     (y)    in the case of Transfer Restricted Securities (as
       defined in the Registration Rights Agreement), such request shall be
       accompanied by the following additional information and documents, as
       applicable:

           (i)    if such Transfer Restricted Security is being delivered to the
           Company by a Holder for registration in the name of such Holder,
           without transfer, a certification from such Holder to that effect; or

                                       3

<PAGE>

           (ii)   if such Transfer Restricted Security is being transferred in
           reliance on an exemption from the registration requirements of the
           Securities Act (and based on an opinion of counsel if the Company so
           requests), a certification to that effect.

     4.1      LEGENDS.

       (a)    Except for any Transfer Restricted Security sold or transferred
as discussed in clause (b) below, each Warrant Certificate evidencing the
Warrants (and all Warrants issued in exchange therefor or substitution
thereof) and each certificate representing the Warrant Shares shall be
substantially in the form of EXHIBIT A hereto and shall bear a legend in
substantially the following form:

"NEITHER THIS SECURITY NOR THE COMMON STOCK ISSUABLE HEREUNDER HAVE BEEN
REGISTERED UNDER THE U.S. SECURITIES ACT OF 1933, AS AMENDED (THE "ACT"), OR
ANY STATE SECURITIES OR "BLUE SKY" LAWS AND, ACCORDINGLY, MAY NOT BE OFFERED,
SOLD, PLEDGED OR OTHERWISE TRANSFERRED EXCEPT (A) IN A TRANSACTION REGISTERED
UNDER THE ACT AND ANY APPLICABLE STATE SECURITIES OR "BLUE SKY" LAWS, OR (B)
UPON RECEIPT OF AN OPINION OF COUNSEL REASONABLY SATISFACTORY TO THE COMPANY
THAT SUCH REGISTRATION OR OTHER QUALIFICATION UNDER THE ACT AND ANY
APPLICABLE STATE SECURITIES OR "BLUE SKY" LAWS IS NOT REQUIRED IN CONNECTION
WITH SUCH OFFER, SALE, PLEDGE OR OTHER TRANSFER.

THIS SECURITY HAS BEEN ISSUED UNDER AND IS SUBJECT TO THE TERMS AND
CONDITIONS OF THAT CERTAIN WARRANT AGREEMENT, DATED AS OF JUNE 12, 2000,
BETWEEN UBIQUITEL INC. AND DONALDSON, LUFKIN & JENRETTE SECURITIES
CORPORATION (AS INITIAL HOLDER THEREOF), AS SUCH WARRANT AGREEMENT MAY BE
AMENDED AND IN EFFECT FROM TIME TO TIME.  A COPY OF THE WARRANT AGREEMENT MAY
BE OBTAINED AT NO CHARGE UPON WRITTEN REQUEST TO THE COMPANY."

       (b)    Upon any sale or transfer of a Transfer Restricted Security
pursuant to an effective registration statement under the Securities Act,
pursuant to Rule 144 under the Securities Act or pursuant to an opinion of
counsel reasonably satisfactory to the Company that no legend is required,
the Company shall permit the Holder thereof to exchange such Transfer
Restricted Security for a Warrant that does not bear the legend set forth in
clause (a) above and rescind any restriction on the transfer of such Transfer
Restricted Security.

     4.2      OBLIGATIONS WITH RESPECT TO TRANSFERS AND EXCHANGES OF WARRANTS.

       (a)    To permit registrations of transfers and exchanges, the Company
shall execute in accordance with the provisions of Section 3 and this Section
4, Warrants as required pursuant to the provisions of this Section 4.

       (b)    All Warrants issued upon any registration of transfer or
exchange of Warrants shall be the valid obligations of the Company, entitled
to the same benefits under this Agreement as the Warrants surrendered upon
such registration of transfer or exchange.

                                       4

<PAGE>

       (c)    Prior to due presentment for registration of transfer or
exchange of any Warrant, the Company may deem and treat the Person in whose
name any Warrant is registered (the "HOLDER" of such Warrant) as the absolute
owner of such Warrant and the Company shall not be affected by notice to the
contrary.

       (d)    No service charge shall be made to a Holder for any
registration, transfer or exchange.

              Section 5.   TERMS OF WARRANTS; EXERCISE OF WARRANTS.

              Subject to the terms of this Agreement, each Warrant Holder
shall have the right, which may be exercised commencing at the opening of
business on the Exercisability Date and until 5:00 p.m., New York City time,
on the Expiration Date to receive from the Company the number of fully paid
and nonassessable Warrant Shares which the Holder may at the time be entitled
to receive on exercise of such Warrants and payment of the Exercise Price
then in effect for such Warrant Shares; PROVIDED, HOWEVER, that no Holder
shall be entitled to exercise such Holder's Warrants at any time, unless, at
the time of exercise, (i) a registration statement under the Securities Act
relating to the Warrant Shares has been filed with, and declared effective
by, the Commission, and no stop order suspending the effectiveness of such
registration statement has been issued by the Commission or (ii) the issuance
of the Warrant Shares is permitted pursuant to an exemption from the
registration requirements of the Securities Act.  Subject to the provisions
of the following paragraph of this Section 5, each Warrant not exercised
prior to 5:00 p.m., New York City time, on the Expiration Date shall become
void and all rights thereunder and all rights in respect thereof under this
Agreement shall cease as of such time.  No adjustments as to dividends will
be made upon exercise of the Warrants.

              The Company shall give notice not less than 90 days prior to
the Expiration Date to the Holders of all then outstanding Warrants to the
effect that the Warrants will terminate and become void as of 5:00 p.m., New
York City time, on the Expiration Date.  If the Company fails to give such
notice, the Warrants will not expire until 90 days after the Company gives
such notice; PROVIDED, HOWEVER, in no event will Holders be entitled to any
damages or other remedy for the Company's failure to give such notice other
than any such extension.

              A Warrant may be exercised upon surrender to the Company at the
principal office of the Company of the certificate or certificates evidencing
the Warrant to be exercised with the form of election to purchase on the
reverse thereof duly completed and signed, which signature shall be
guaranteed by an "eligible guarantor institution" meeting the requirements of
membership or participation in the Security Transfer Agent Medallion Program
("STAMP") or such other signature guarantee program "as may be determined by
the Company in addition to, in or substitution for, STAMP, all in accordance
with the Securities Exchange Act of 1934, as amended," and upon payment to
the Exercise Price as adjusted as herein provided, for each of the Warrant
Shares in respect of which such Warrant is then exercised.  Payment of the
aggregate Exercise Price shall be made by Federal wire transfer to the
account designated by the Company or by certified or official bank check,
payable to the order of the Company.

              Subject to the provisions of Section 6 hereof, upon surrender
of Warrants and payment of the Exercise Price as provided above by any
Holder, the Company shall promptly transfer (or cause its transfer agent and
registrar for its Common Stock to transfer) to such Holder a certificate or
certificates for the appropriate number of Warrant Shares or other securities
or

                                       5

<PAGE>

property (including any money) to which such Holder is entitled, registered
or otherwise placed in, or payable to the order of, such name or names as may
be directed in writing by such Holder, and shall deliver such certificate or
certificates representing the Warrant Shares and any other securities or
property (including any money) to such Holder or any other Person or Persons
entitled to receive the same, together with an amount in cash in lieu of any
fraction of a share as provided in Section 12.  Any such certificate or
certificates representing the Warrant Shares shall be deemed to have been
issued and any Person so designated to be named therein shall be deemed to
have become a Holder of record of such Warrant Shares as of the date of the
surrender of such Warrants and payment of the Exercise Price.

              The Warrants shall be exercisable commencing on the
Exercisability Date, at the election of the Holders thereof, either in full
or from time to time in part, and, in the event that a certificate evidencing
Warrants is exercised in respect of fewer than all of the Warrant Shares
issuable on such exercise at any time prior to the Expiration Date, a new
certificate evidencing the remaining Warrant or Warrants will be issued, and
the Company shall execute and deliver the required new Warrant Certificate or
Certificates pursuant to the provisions of this Section 5.

              All Warrant Certificates surrendered upon exercise of Warrants
shall be cancelled by the Company.

              Section 6.   PAYMENT OF TAXES.  The Company will pay all
documentary stamp taxes attributable to the initial issuance of Warrant
Shares upon the exercise of Warrants; PROVIDED, HOWEVER, that the Company
shall not be required to pay any tax or taxes which may be payable in respect
of any transfer involved in the issue of any Warrant Certificates or any
certificates for Warrant Shares in a name other than that of the Holder of a
Warrant Certificate surrendered upon the exercise of a Warrant, and the
Company shall not be required to issue or deliver such Warrant Certificates
unless or until the Person or Persons requesting the issuance thereof shall
have paid to the Company the amount of such tax or shall have established to
the satisfaction of the Company that such tax has been paid.

              Section 7.   MUTILATED OR MISSING WARRANT CERTIFICATES.  In
case any of the Warrant Certificates shall be mutilated, lost, stolen or
destroyed, the Company may in its discretion issue in exchange and
substitution for and upon cancellation of the mutilated Warrant Certificate,
or in lieu of and substitution for the Warrant Certificate lost, stolen or
destroyed, a new Warrant Certificate of like tenor and representing an
equivalent number of Warrants, but only upon receipt of evidence reasonably
satisfactory to the Company of such loss, theft or destruction of such
Warrant Certificate and indemnity, if requested, also reasonably satisfactory
to them.  Applicants for such substitute Warrant Certificates shall also
comply with such other reasonable regulations and pay such other reasonable
charges as the Company may prescribe.

              Section 8.   RESERVATION OF WARRANT SHARES.  The Company will
at all times reserve and keep available, free from preemptive rights, out of
the aggregate of its authorized but unissued Common Stock or its authorized
and issued Common Stock held in its treasury, for the purpose of enabling it
to satisfy any obligation to issue Warrant Shares upon exercise of Warrants,
the maximum number of shares of Common Stock which may then be deliverable
upon the exercise of all outstanding Warrants.

              The transfer agent for the Common Stock (the "TRANSFER AGENT")
and every subsequent transfer agent for any shares of the Company's Capital
Stock issuable upon the

                                       6

<PAGE>

exercise of any of the rights of purchase aforesaid will be irrevocably
authorized and directed at all times to reserve such number of authorized
shares as shall be required for such purpose.  The Company will keep a copy
of this Agreement on file with the Transfer Agent and with every subsequent
transfer agent for any shares of the Company's Capital Stock issuable upon
the exercise of the rights of purchase represented by the Warrants.  The
Company will supply such Transfer Agent with duly executed certificates for
such purposes and will provide or otherwise make available any cash which may
be payable as provided in Section 12.  The Company will furnish such Transfer
Agent a copy of all notices of adjustments and certificates related thereto,
transmitted to each Holder of the Warrants pursuant to Section 10 hereof.
Prior to the initial underwritten public offering of Capital Stock of the
Company, the Company may act as Transfer Agent for the Common Stock.

              Before taking any action which would cause an adjustment
pursuant to Section 10 hereof that would reduce the Exercise Price below the
then par value (if any) of the Warrant Shares, the Company will take any
corporate action which may, in the opinion of its counsel (which may be
counsel employed by the Company), be necessary in order that the Company may
validly and legally issue fully paid and nonassessable Warrant Shares at the
Exercise Price as so adjusted.

              The Company covenants that all Warrant Shares which may be
issued upon exercise of Warrants in accordance with the terms of this
Agreement (including the payment of the Exercise Price) will, upon issue, be
duly and validly issued, fully paid, nonassessable, free of preemptive rights
and free from all taxes, liens, charges and security interests with respect
to the issue thereof.

              Section 9.   OBTAINING STOCK EXCHANGE LISTINGS.  The Company
will from time to time use its best efforts to take all action which may be
necessary so that the Warrant Shares, immediately upon their issuance upon
the exercise of Warrants, will be listed on the principal securities
exchanges and markets (including, without limitation, the Nasdaq National
Market) within the United States of America, if any, on which other shares of
Common Stock are then listed.  The Company will obtain and keep all required
permits and records in connection with such listing.

              Section 10.   ADJUSTMENT OF EXERCISE PRICE AND NUMBER OF
WARRANT SHARES ISSUABLE.  The number and kind of shares issuable upon
exercise of a Warrant and the Exercise Price shall be subject to adjustment
from time to time as follows:

     10.1     STOCK SPLITS, COMBINATIONS, ETC.  In case the Company shall
hereafter (A) pay a dividend or make a distribution on its Common Stock in
shares of its Capital Stock (whether shares of Common Stock or of Capital
Stock of any other class), (B) subdivide its outstanding shares of Common
Stock, (C) combine its outstanding shares of Common Stock into a smaller
number of shares, or (D) issue by reclassification of its shares of Common
Stock any shares of Capital Stock of the Company, the Exercise Price in
effect and the number of Warrant Shares issuable upon exercise of each
Warrant immediately prior to such action shall be adjusted so that the Holder
of any Warrant thereafter exercised shall be entitled to receive the number
of shares of Capital Stock of the Company which such Holder would have owned
immediately following such action had such Warrant been exercised immediately
prior thereto. An adjustment made pursuant to this Section 10.1 shall become
effective immediately after the record date in the case of a dividend and
shall become effective immediately after the effective date in the case of a

                                       7

<PAGE>

subdivision, combination or reclassification. If, as a result of an
adjustment made pursuant to this Section 10.1, the Holder of any Warrant
thereafter exercised shall become entitled to receive shares of two or more
classes of Capital Stock of the Company, the Board of Directors of the
Company (whose good faith determination shall be conclusive) shall determine
the allocation of the adjusted Exercise Price between or among shares of such
classes of Capital Stock.

     10.2     RECLASSIFICATION, COMBINATIONS, MERGERS, ETC.  In case of any
reclassification or change of outstanding shares of Common Stock issuable
upon exercise of the Warrants (other than as set forth in Section 10.1 and
other than a change in par value, or from par value to no par value, or from
no par value to par value or as a result of a subdivision or combination), or
in case of any consolidation or merger of the Company with or into another
corporation (other than a merger or acquisition in which the Company is the
continuing corporation and which does not result in any reclassification or
change of the then outstanding shares of Common Stock or other Capital Stock
issuable upon exercise of the Warrants) or in case of any sale or conveyance
to another corporation of the property of the Company as an entirety or
substantially as an entirety, then, as a condition of such reclassification,
change, consolidation, merger, sale or conveyance, the Company or such a
successor or purchasing corporation, as the case may be, shall forthwith make
lawful and adequate provision whereby the Holder of each Warrant then
outstanding shall have the right thereafter to receive on exercise of such
Warrant the kind and amount of shares of stock and other securities and
property receivable upon such reclassification, change, consolidation,
merger, sale or conveyance equivalent in value to the number of shares of
Common Stock issuable upon exercise of such Warrant immediately prior to such
reclassification, change, consolidation, merger, sale or conveyance and enter
into a supplemental warrant agreement so providing. Such provisions shall
include provision for adjustments which shall be as nearly equivalent as may
be practicable to the adjustments provided for in this Section 10.  If the
issuer of securities deliverable upon exercise of Warrants under the
supplemental warrant agreement is an affiliate of the formed, surviving or
transferee corporation, that issuer shall join in the supplemental warrant
agreement.  The above provisions of this Section 10.2 shall similarly apply
to sucessive reclassifications and changes of shares of Common Stock and to
successive consolidations, mergers, sales or conveyances.

     10.3     ISSUANCE OF OPTIONS OR CONVERTIBLE SECURITIES.  In the event
the Company shall, at any time or from time to time after the date hereof,
issue, sell, distribute or otherwise grant in any manner (including by
assumption) to all holders of the Common Stock (x) any rights to subscribe
for or to purchase, or any warrants or options for the purchase of, Common
Stock (any such rights, warrants or options being referred to herein as
"OPTIONS") or (y) any stock or securities convertible into or exchangeable
for Common Stock (any such convertible or exchangeable stock being referred
to herein as "CONVERTIBLE SECURITIES") or any Options to acquire Convertible
Securities, whether or not such Options or the rights to convert or exchange
such Convertible Securities are immediately exercisable, and the price per
share at which Common Stock is issuable upon the exercise of such Options or
upon the conversion or exchange of such Convertible Securities (determined by
dividing (i) the aggregate amount, if any, received or receivable by the
Company as consideration for the issuance, sale, distribution or granting of
such Options or any such Convertible Security, plus the minimum aggregate
amount of additional consideration, if any, payable to the Company upon the
exercise of all such Options or upon conversion or exchange of all such
Convertible Securities, plus, in the case of Options to acquire Convertible
Securities, the minimum aggregate amount of additional consideration, if any,
payable upon the conversion or exchange of all such Convertible Securities,
by (ii) the total maximum number of shares of Common Stock issuable upon the
exercise of all such Options or

                                       8

<PAGE>

upon the conversion or exchange of all such Convertible Securities or upon
the conversion or exchange of all Convertible Securities issuable upon the
exercise of all such Options) shall be less than the Fair Market Value per
share of Common Stock on the record date for the issuance, sale, distribution
or granting of such Options or Convertible Securities (any such event being
herein called a "DISTRIBUTION"), then, effective upon such Distribution, (I)
the Exercise Price of each Warrant shall be reduced to the price (calculated
to the nearest 1/1,000 of one cent) determined by multiplying the Exercise
Price in effect immediately prior to such Distribution by a fraction, the
numerator of which shall be the sum of (i) the number of shares of Common
Stock outstanding (exclusive of any treasury shares) immediately prior to
such Distribution multiplied by the Fair Market Value per share of Common
Stock on the date of such Distribution plus (ii) the consideration, if any,
received by the Company upon such Distribution, and the denominator of which
shall be the product of (A) the total number of shares of Common Stock
outstanding (exclusive of any treasury shares) immediately after such
Distribution multiplied by (B) the Fair Market Value per share of Common
Stock on the record date for such Distribution and (II) the number of shares
of Common Stock purchasable upon the exercise of each Warrant shall be
increased to a number determined by multiplying the number of shares of
Common Stock so purchasable immediately prior to the record date for such
Distribution by a fraction, the numerator of which shall be the Exercise
Price in effect immediately prior to the adjustment required by clause (I) of
this sentence and the denominator of which shall be the Exercise Price in
effect immediately after such adjustment.  For purposes of the foregoing, the
total maximum number of shares of Common Stock issuable upon exercise of all
such Options or upon conversion or exchange of all such Convertible
Securities or upon the conversion or exchange of the total maximum amount of
the Convertible Securities issuable upon the exercise of all such Options
shall be deemed to have been issued as of the date of such Distribution and
thereafter shall be deemed to be outstanding and the Company shall be deemed
to have received as consideration therefor such price per share, determined
as provided above.  Except as provided in Sections 10.9 and 10.10 below, no
additional adjustment of the Exercise Price shall be made upon the actual
exercise of such Options or upon conversion or exchange of the Convertible
Securities or upon the conversion or exchange of the Convertible Securities
issuable upon the exercise of such Options.

     10.4     DIVIDENDS AND DISTRIBUTIONS.  In the event the Company shall,
at any time or from time to time after the date hereof, distribute to all the
holders of Common Stock (x) any dividend or other distribution of cash,
evidences of its indebtedness, other securities or other properties or assets
(in each case other than (i) dividends payable in Common Stock, Options or
Convertible Securities as to which an adjustment has been made pursuant to
Section 10.1 or 10.3 hereof and (ii) any cash dividend or other cash
distributions from current or retained earnings), or (y) any options,
warrants or other rights to subscribe for or purchase any of the foregoing,
then (A) the Exercise Price shall be decreased to a price determined by
multiplying the Exercise Price then in effect by a fraction, the numerator of
which shall be the Fair Market Value per share of Common Stock on the record
date for such distribution less the sum of (X) the cash portion, if any, of
such distribution per share of Common Stock outstanding (exclusive of any
treasury shares) on the record date for such distribution plus (Y) the then
fair market value (as determined in good faith by the Board of Directors of
the Company) per share of Common Stock outstanding (exclusive of any treasury
shares) on the record date for such distribution of that portion, if any, of
such distribution consisting of evidences of indebtedness, other securities,
properties, assets, options, warrants or subscription or purchase rights, and
the denominator of which shall be such Fair Market Value per share of Common
Stock and (B) the number of shares of Common Stock purchasable upon the
exercise of each Warrant shall be increased to a number determined by

                                       9

<PAGE>

multiplying the number of shares of Common Stock so purchasable immediately
prior to the record date for such distribution by a fraction, the numerator
of which shall be the Exercise Price in effect immediately prior to the
adjustment required by clause (A) of this sentence and the denominator of
which shall be the Exercise Price in effect immediately after such
adjustment.  The adjustments required by this Section 10.4 shall be made
whenever any such distribution occurs retroactive to the record date for the
determination of stockholders entitled to receive such distribution.

     10.5     FAIR MARKET VALUE.  For the purpose of any computation of Fair
Market Value under this Section 10 or Section 12, the Fair Market Value per
share of Common Stock at any date shall be (x) for purposes of Section 12,
the closing price on the Business Day immediately prior to the exercise of
the applicable Warrant pursuant to Section 5 and (y) in all other cases, the
average of the daily closing prices for the shorter of (i) the 20 consecutive
trading days ending on the last full trading day on the exchange or market
specified in the second succeeding sentence prior to the Time of
Determination (as defined below) and (ii) the period commencing on the date
next succeeding the first public announcement of the issuance, sale,
distribution or granting in question through such last full trading day prior
to the Time of Determination.  The term "TIME OF DETERMINATION" as used
herein shall be the time and date of the earlier to occur of (A) the date as
of which the Fair Market Value is to be computed and (B) the last full
trading day on such exchange or market before the commencement of
"ex-dividend" trading in the Common Stock relating to the event giving rise
to the adjustment required by Sections 10.1, 10.2, 10.3 or 10.4.  The closing
price for any day shall be the last reported sale price regular way or, in
case no such reported sale takes place on such day, the average of the
closing bid and asked prices regular way for such day, in each case (1) on
the principal national securities exchange on which the shares of Common
Stock are listed or to which such shares are admitted to trading or (2) if
the Common Stock is not listed or admitted to trading on a national
securities exchange, in the over-the-counter market as reported by Nasdaq
National Market or any comparable system.  In the absence of all of the
foregoing, or if for any other reason the Fair Market Value per share cannot
be determined pursuant to the foregoing provisions of this Section 10.5, the
Fair Market Value per share shall be the fair market value thereof as
determined in good faith by the Board of Directors of the Company.

     10.6     CERTAIN DISTRIBUTIONS.  If the Company shall pay a dividend or
make any other distribution to all holders of Common Stock payable in Options
or Convertible Securities, then, for purposes of Section 10.4 above, such
Options or Convertible Securities shall be deemed to have been issued or sold
without consideration.

     10.7     CONSIDERATION RECEIVED.  If any shares of Common Stock, Options
or Convertible Securities shall be issued, sold or distributed for a
consideration other than cash, the amount of the consideration other than
cash received by the Company in respect thereof shall be deemed to be the
then fair market value of such consideration (as determined in good faith by
the Board of Directors of the Company).  If any Options shall be issued in
connection with the issuance and sale of other securities of the Company,
together comprising one integral transaction in which no specific
consideration is allocated to such Options by the parties thereto, such
Options shall be deemed to have been issued without consideration; PROVIDED,
HOWEVER, that if such Options have an exercise price equal to or greater than
the Fair Market Value of the Common Stock on the date of issuance of such
Options, then such Options shall be deemed to have been issued for
consideration equal to such exercise price.

                                       10

<PAGE>

     10.8     DEFERRAL OF CERTAIN ADJUSTMENTS.  No adjustment to the Exercise
Price (including the related adjustment to the number of shares of Common
Stock purchasable upon the exercise of each Warrant) shall be required
hereunder unless such adjustment, together with other adjustments carried
forward as provided below, would result in an increase or decrease of at
least one percent of the Exercise Price; PROVIDED that any adjustments which
by reason of this Section 10.8 are not required to be made shall be carried
forward and taken into account in any subsequent adjustment.  No adjustment
need be made for a change in the par value of the Common Stock.  All
calculations under this Section 10 shall be made to the nearest 1/1,000 of
one cent or to the nearest 1/1000 of a share, as the case may be.

     10.9     CHANGES IN OPTIONS AND CONVERTIBLE SECURITIES.  If the exercise
price provided for in any Options referred to in Section 10.3 above, the
additional consideration, if any, payable upon the conversion or exchange of
any Convertible Securities referred to in Section 10.3 above, or the rate at
which any Convertible Securities referred to in Section 10.3 above are
convertible into or exchangeable for Common Stock shall change at any time
(other than under or by reason of provisions designed to protect against
dilution upon an event which results in a related adjustment pursuant to this
Section 10), the Exercise Price then in effect and the number of shares of
Common Stock purchasable upon the exercise of each Warrant shall forthwith be
readjusted (effective only with respect to any exercise of any Warrant after
such readjustment) to the Exercise Price and number of shares of Common Stock
so purchasable that would then be in effect had the adjustment made upon the
issuance, sale, distribution or granting of such Options or Convertible
Securities been made based upon such changed purchase price, additional
consideration or conversion rate, as the case may be, but only with respect
to such Options and Convertible Securities as then remain outstanding.

     10.10    EXPIRATION OF OPTIONS AND CONVERTIBLE SECURITIES.  If, at any
time after any adjustment to the Exercise Price or number of shares of Common
Stock purchasable upon the exercise of each Warrant shall have been made
pursuant to Sections 10.3 or 10.9 above or this Section 10.10, any Options or
Convertible Securities shall have expired unexercised, the number of such
shares so purchasable shall, upon such expiration, be readjusted and shall
thereafter be such as they would have been had they been originally adjusted
(or had the original adjustment not been required, as the case may be) as if
(i) the only shares of Common Stock deemed to have been issued in connection
with such Options or Convertible Securities were the shares of Common Stock,
if any, actually issued or sold upon the exercise of such Options or
Convertible Securities and (ii) such shares of Common Stock, if any, were
issued or sold for the consideration actually received by the Company upon
such exercise plus the aggregate consideration, if any, actually received by
the Company for the issuance, sale, distribution or granting of all such
Options or Convertible Securities, whether or not exercised; PROVIDED THAT no
such readjustment shall have the effect of decreasing the number of such
shares so purchasable by an amount (calculated by adjusting such decrease to
account for all other adjustments made pursuant to this Section 10 following
the date of the original adjustment referred to above) in excess of the
amount of the adjustment initially made in respect of the issuance, sale,
distribution or granting of such Options or Convertible Securities.

     10.11    OTHER ADJUSTMENTS.  In the event that at any time, as a result
of an adjustment made pursuant to this Section 10, the Holders shall become
entitled to receive any securities of the Company other than shares of Common
Stock, thereafter the number of such other securities so receivable upon
exercise of the Warrants and the Exercise Price applicable to such exercise
shall be subject to adjustment from time to time in a manner and on terms as
nearly equivalent as

                                       11

<PAGE>

practicable to the provisions with respect to the shares of Common Stock
contained in this Section 10.

     10.12    NO ADJUSTMENT REQUIRED.  Without limiting any other exception
contained in this Section 10, and in addition thereto, no adjustment will be
made for:

              (i)    exercises or conversions of any Options or Convertible
Securities outstanding on the date hereof (to the extent in accordance with
the terms of such securities as in effect on the date of this Agreement);

              (ii)   issuances of Options, Convertible Securities or Common
Stock to employees, directors or consultants of the Company or any of its
subsidiaries pursuant to a plan approved by the Board of Directors of the
Company;

              (iii)  rights to purchase Common Stock pursuant to a Company
plan for reinvestment of dividends or interest;

              (iv)   issuances of Options, Convertible Securities or Common
Stock in bona fide public offerings or private placements pursuant to Section
4(2) of the Securities Act, Regulation D thereunder or Regulation S,
involving at least one investment bank of national reputation;

              (v)    issuances of Options, Convertible Securities or Common
Stock in connection with the establishment of commercial bank facilities,
capital lease obligations or other issuances of primarily debt obligations or
securities; or

              (vi)   issuances of Options, Convertible Securities or Common
Stock in connection with mergers and acquisitions with non-affiliated third
parties (the shares of Common Stock, Options or Convertible Securities set
forth in clauses (i) through (vii) being referred to as "EXCLUDED
SECURITIES").

The Exercise Price will in no event be less than the par value of the Common
Stock; PROVIDED, HOWEVER, the foregoing minimum Exercise Price shall not be
applicable for purposes of determining adjustments to the number of shares
issuable upon exercise of a Warrant

              Section 11.   STATEMENT ON WARRANTS.  Irrespective of any
adjustment in the number or kind of shares issuable upon the exercise of the
Warrants or the Exercise Price, Warrants theretofore or thereafter issued may
continue to express the same number and kind of shares as are stated in the
Warrants initially issuable pursuant to this Agreement.

              Section 12.   FRACTIONAL INTEREST.  The Company shall not be
required to issue fractional shares of Common Stock on the exercise of
Warrants. If more than one Warrant shall be presented for exercise in full at
the same time by the same Holder, the number of full shares of Common Stock
which shall be issuable upon such exercise shall be computed on the basis of
the aggregate number of shares of Common Stock acquirable on exercise of the
Warrants so presented.  If any fraction of a share of Common Stock would,
except for the provisions of this Section 12, be issuable on the exercise of
any Warrant (or specified portion thereof), the Company shall direct the
Transfer Agent to pay an amount in cash calculated by it to equal the then
Fair Market Value per share multiplied by such fraction computed to the
nearest whole cent.  The Holders, by their acceptance of the Warrant
Certificates, expressly waive any and all rights

                                       12

<PAGE>

to receive any fraction of a share of Common Stock or a stock certificate
representing a fraction of a share of Common Stock.

              Section 13.   NOTICES TO WARRANT HOLDERS.  Upon any adjustment
of the Exercise Price pursuant to Section 10, the Company shall promptly
thereafter cause to be delivered to the Holders a certificate of a firm of
independent public accountants of recognized standing selected by the Board
of Directors of the Company (who may be the regular auditors of the Company)
setting forth the Exercise Price after such adjustment and setting forth in
reasonable detail the method of calculation and the facts upon which such
calculations are based and setting forth the number of Warrant Shares (or
portion thereof) issuable after such adjustment in the Exercise Price, upon
exercise of a Warrant and payment of the adjusted Exercise Price, which
certificate shall be conclusive evidence of the correctness of the matters
set forth therein.

              In case:

              (a)    the Company shall authorize the issuance to all holders
of shares of Common Stock of rights, options or warrants to subscribe for or
purchase shares of Common Stock or of any other subscription rights or
warrants; or

              (b)    the Company shall authorize the distribution to all
holders of shares of Common Stock of evidences of its indebtedness or assets
(other than cash dividends or cash distributions payable out of consolidated
earnings or earned surplus or dividends payable in shares of Common Stock or
distributions referred to in Section 10 hereof); or

              (c)    of any consolidation or merger to which the Company is a
party and for which approval of any shareholders of the Company is required,
or of the conveyance or transfer of the properties and assets of the Company
substantially as an entirety, or of any reclassification or change of Common
Stock issuable upon exercise of the Warrants (other than a change in par
value, or from par value to no par value, or from no par value to par value,
or as a result of a subdivision or combination), or a tender offer or
exchange offer for shares of Common Stock; or

              (d)    of the voluntary or involuntary dissolution, liquidation
or winding up of the Company;

       then the Company shall cause to be given to each of the registered
Holders of the Warrant Certificates at such Holder's address appearing on the
Warrant register, at least 20 days (or 10 days in any case specified in
clauses (a) or (b) above) prior to the applicable record date hereinafter
specified, or promptly in the case of events for which there is no record
date, by first class mail, postage prepaid, a written notice stating (i) the
date as of which the holders of record of shares of Common Stock to be
entitled to receive any such rights, options, warrants or distribution are to
be determined, or (ii) the initial expiration date set forth in any tender
offer or exchange offer for shares of Common Stock, or (iii) the date on
which any such consolidation, merger, conveyance, transfer, dissolution,
liquidation or winding up is expected to become effective or consummated, and
the date as of which it is expected that holders of record of shares of
Common Stock shall be entitled to exchange such shares for securities or
other property, if any, deliverable upon such reclassification,
consolidation, merger, conveyance, transfer, dissolution, liquidation or
winding up.  The failure to give the notice required by this Section 13 or
any defect therein shall not affect the legality or validity of any
distribution, right, option, warrant, consolidation, merger, conveyance,
transfer, dissolution, liquidation or winding up, or

                                       13

<PAGE>

the vote upon any action. Nothing contained in this Agreement or in any of
the Warrant Certificates shall be construed as conferring upon the Holders
thereof the right to vote or to consent or to receive notice as shareholders
in respect of the meetings of shareholders or the election of directors of
the Company or any other matter, or any rights whatsoever as shareholders of
the Company.

              Section 14.   REPORTS.  Whether or not required by the rules
and regulations of the Commission, so long as any Warrants are outstanding,
the Company will furnish to the holders of Warrants upon request (i) all
quarterly and annual financial information that would be required to be
contained in a filing with the Commission on Forms l0-Q and 10-K if the
Company were required to file such forms, including a "Management's
Discussion and Analysis of Financial Condition and Results of Operations"
and, with respect to the annual information only, a report thereon by the
Company's certified independent accountants, and (ii) all current reports
that would be required to be filed with the Commission on Form 8-K if the
Company were required to file such reports, in each case within the time
periods specified in the Commissions rules and regulations (the information
and reports in clauses (i) and (ii), collectively, "SEC REPORTS").

              Section 15.   NOTICES TO COMPANY.  Any notice or demand
authorized by this Agreement to be given or made by the Holder of any Warrant
Certificate to the Company shall be sufficiently given or made when and if
deposited in the mail, first class or registered, postage prepaid, addressed
(until another address is given to such Holder in writing by the Company), as
follows:

                     UbiquiTel Inc.
                     1 Bala Plaza, Suite 402
                     Bala Cynwyd, Pennsylvania 19004
                     Telecopy:     (610) 660-9558
                     Telephone:    (610) 660-9510
                     Attention:    Donald A. Harris

              with copies to:

                     Greenberg & Traurig, LLP
                     1750 Tysons Boulevard
                     Tysons Corner, Virginia 22102
                     Telecopy:     (703) 749-1301
                     Telephone:    (703) 749-1300
                     Attention:    Lee R. Marks, Esq.

              and:
                     Greenberg & Traurig, P.A.
                     1221 Brickell Avenue, 21st Floor
                     Miami, Florida  33131
                     Telecopy:     (305) 579-0500
                     Telephone:    (305) 579-0717
                     Attention:    Rebecca R. Orand, Esq.

                                       14

<PAGE>

              Section 16.   SUPPLEMENTS AND AMENDMENTS.  Any amendment or
supplement to this Agreement shall require the written consent of the Company
and Holders representing a majority of the then outstanding Warrants;
PROVIDED, HOWEVER, that the consent of each Holder of a Warrant affected
shall be required for any amendment pursuant to which the Exercise Price
would be increased or the number of Warrant Shares purchasable upon exercise
of Warrants would be decreased (other than pursuant to adjustments provided
for in Section 10 hereof or amendments to Section 10 which can be made by the
written consent of Holders representing a majority of the then outstanding
Warrants).

              Section 17.   SUCCESSORS.  All the covenants and provisions of
this Agreement by or for the benefit of the Company or the Holders shall bind
and inure to the benefit of their respective successors and assigns hereunder.

              Section 18.   TERMINATION.  This Agreement (other than any
party's obligations with respect to Warrants previously exercised) shall
terminate at 5:00 p.m., New York City time on the Expiration Date.

              Section 19.   GOVERNING LAW.  THIS AGREEMENT AND EACH WARRANT
CERTIFICATE ISSUED HEREUNDER SHALL BE DEEMED TO BE A CONTRACT MADE UNDER THE
LAWS OF THE STATE OF NEW YORK AND FOR ALL PURPOSES SHALL BE CONSTRUED IN
ACCORDANCE WITH THE INTERNAL LAWS OF SAID STATE, WITHOUT GIVING EFFECT TO THE
CONFLICT OF LAWS PROVISIONS THEREOF

              Section 20.   BENEFITS OF THIS AGREEMENT.

              (a)    Nothing in this Agreement shall be construed to give to
any Person other than the Company and the Holders of the Warrant Certificates
any legal or equitable right, remedy or claim under this Agreement; but this
Agreement shall be for the sole and exclusive benefit of the Company and the
Holders of the Warrant Certificates.

              (b)    Prior to the exercise of the Warrants, no Holder of a
Warrant Certificate, as such, shall be entitled to any rights of a
stockholder of the Company, including, without limitation, the right to
receive dividends or subscription rights, the right to vote, to consent, to
exercise any preemptive right, to receive any notice of meetings of
stockholders for the election of directors of the Company or any other matter
or to receive any notice of any proceedings of the Company, except as may be
specifically provided for herein. The Holders of the Warrants are not
entitled to share in the assets of the Company in the event of the
liquidation, dissolution or winding up of the Company's affairs.

              (c)    All rights of action in respect of this Agreement are
vested in the Holders of the Warrants, and any Holder of any Warrant, without
the consent of the Holder of any other Warrant, may, on such Holder's own
behalf and for such Holder's own benefit, enforce, and may institute and
maintain any suit, action or proceeding against the Company suitable to
enforce, or otherwise in respect of, such Holder's rights hereunder,
including the right to exercise, exchange or surrender for purchase such
Holder's Warrants in the manner provided in this Agreement.

              Section 21.   COUNTERPARTS.  This Agreement may be executed in
any number of counterparts and each of such counterparts shall for all
purposes be deemed to be an original, and all such counterparts shall
together constitute but one and the same instrument.

                                       15

<PAGE>

              [The remainder of this page is intentionally left blank.]

                                       16

<PAGE>

              IN WITNESS WHEREOF, the parties hereto have caused this
Agreement to be duly executed, as of the day and year first above written.

                                   UBIQUITEL INC.

                                   By:
                                      ---------------------------------------
                                      Name:
                                      Title:

                                   DONALDSON, LUFKIN & JENRETTE SECURITIES
                                   CORPORATION

                                   By:
                                      ---------------------------------------
                                      Name:
                                      Title:

                                       17

<PAGE>

                                                                      EXHIBIT A

                           [FORM OF WARRANT CERTIFICATE]

                                       [FACE]

NEITHER THIS SECURITY NOR THE COMMON STOCK ISSUABLE HEREUNDER HAVE BEEN
REGISTERED UNDER THE U.S. SECURITIES ACT OF 1933, AS AMENDED (THE "ACT"), OR
ANY STATE SECURITIES OR "BLUE SKY" LAWS AND, ACCORDINGLY, MAY NOT BE OFFERED,
SOLD, PLEDGED OR OTHERWISE TRANSFERRED EXCEPT (A) IN A TRANSACTION REGISTERED
UNDER THE ACT AND ANY APPLICABLE STATE SECURITIES OR "BLUE SKY" LAWS, OR (B)
UPON RECEIPT OF AN OPINION OF COUNSEL REASONABLY SATISFACTORY TO THE COMPANY
THAT SUCH REGISTRATION OR OTHER QUALIFICATION UNDER THE ACT AND ANY
APPLICABLE STATE SECURITIES OR "BLUE SKY" LAWS IS NOT REQUIRED IN CONNECTION
WITH SUCH OFFER, SALE, PLEDGE OR OTHER TRANSFER.

THIS SECURITY HAS BEEN ISSUED UNDER AND IS SUBJECT TO THE TERMS AND
CONDITIONS OF THAT CERTAIN WARRANT AGREEMENT, DATED AS OF JUNE 12, 2000,
BETWEEN UBIQUITEL INC. AND DONALDSON, LUFKIN & JENRETTE SECURITIES
CORPORATION (AS INITIAL HOLDER THEREOF), AS SUCH WARRANT AGREEMENT MAY BE
AMENDED AND IN EFFECT FROM TIME TO TIME.  A COPY OF THE WARRANT AGREEMENT MAY
BE OBTAINED AT NO CHARGE UPON WRITTEN REQUEST TO THE COMPANY.

                                       A-1

<PAGE>

                                    UBIQUITEL INC.

No. __________

                          WARRANTS TO PURCHASE COMMON STOCK

          This certifies that _______________________, or its registered
assigns, is the owner of  Warrants initially representing the right to
purchase, after June 12, 2001 (the "EXERCISABILITY DATE"), up to ____________
shares (the "WARRANT SHARES") of the Common Stock, par value $0.0005 per
share (the "COMMON STOCK"), of UbiquiTel Inc., a Delaware corporation (the
"COMPANY"), at an exercise price (the "EXERCISE PRICE") of $8.00 per share of
Common Stock (subject to adjustment as provided in the Warrant Agreement
referred to below), upon surrender hereof at the office of the Company (as
set forth in the Warrant Agreement) with the Subscription Form on the reverse
hereof duly executed, with signature guaranteed as therein specified and
simultaneous payment in full by Federal wire transfer to the account
designated by the Company or by certified or official bank or bank cashier's
check payable to the order of the Company. At any time after the
Exercisability Date and on or before the Expiration Date, any outstanding
Warrants may be exercised on any Business Day; PROVIDED, HOWEVER, that a
Registration Statement relating to the Warrants is, at the time of exercise,
effective and available for the exercise of Warrants or the exercise of such
Warrants is exempt from the registration requirements of the Securities Act.

          This Warrant Certificate is issued under and in accordance with a
Warrant Agreement dated June 12, 2000 (the "WARRANT AGREEMENT"), between the
Company and Donaldson, Lufkin & Jenrette Securities Corporation, as initial
Holder thereunder, and is subject to the Certificate of Incorporation and
Bylaws of the Company and to the terms and provisions contained therein, to
all of which terms and provisions the Holder of this Warrant Certificate
consents by acceptance hereof.  The terms of the Warrant Agreement are hereby
incorporated herein by reference and made a part hereof.  Reference is hereby
made to the Warrant Agreement for a full description of the rights,
limitations of rights, obligations, duties and immunities thereunder of the
Company and the Holders of the Warrants.  The summary of the terms of the
Warrant Agreement contained in this Warrant Certificate is qualified in its
entirety by express reference to the Warrant Agreement.  All terms used in
this Warrant Certificate that are defined in the Warrant Agreement  shall
have the meanings assigned to them in such agreements.

          The number of Warrant Shares purchasable upon the exercise of each
Warrant and the price per share are subject to adjustment as provided in the
Warrant Agreement.  Except as stated in the Warrant Agreement, in the event
the Company merges or consolidates with, or sells all or substantially all of
its assets to, another Person, each Warrant will, upon exercise, entitle the
Holder thereof to receive the number of shares of Capital Stock or other
securities or the amount of money and other property which the Holder of the
number of Warrant Shares (or other securities or property issuable upon
exercise of a Warrant) purchasable upon the exercise of the Warrant is
entitled to receive upon completion of such merger, consolidation or sale.

          As to any final fraction of a share which the same Holder of one or
more Warrant Certificates would otherwise be entitled to purchase upon
exercise thereof in the same

                                       A-2

<PAGE>

transaction, the Company may pay the cash value thereof determined as
provided in the Warrant Agreement.

          All Warrant Shares issuable by the Company upon the exercise of
Warrants shall be validly issued, fully paid and not subject to any calls for
funds, and the Company shall pay any taxes and other governmental charges
that may be imposed under the laws of the United States of America or any
political subdivision or taxing authority thereof or therein in respect of
the issue or delivery thereof upon exercise of Warrants (other than income
taxes imposed on the Holder).  The Company shall not be required, however, to
pay any tax or other charge imposed in connection with any transfer involved
in the issue of any certificate for Warrant Shares (including other
securities or property issuable upon the exercise of the Warrants) or payment
of cash to any Person other than the Holder of a Warrant Certificate
surrendered upon the exercise of a Warrant and in case of such transfer or
payment, the Company shall not be required to issue any share certificate or
pay any cash until such tax or charge has been paid or it has been
established to the Company's satisfaction that no such tax or charge is due.

          Subject to the restrictions on and conditions to transfer set forth
in Section 4 of the Warrant Agreement, this Warrant Certificate and all
rights hereunder are transferable by the registered Holder hereof, in whole
or in part, on the register of the Company maintained by the Company for such
purpose at the Company's principal executive office, upon surrender of this
Warrant Certificate duly endorsed, or accompanied by a written instrument of
transfer in form satisfactory to the Company duly executed, with signatures
guaranteed as specified in the attached Form of Assignment, by the registered
Holder hereof or such Holder's attorney duly authorized in writing and by
such other documentation required pursuant to the Warrant Agreement and upon
payment of any necessary transfer tax or other governmental charge imposed
upon such transfer. Upon any partial transfer, the Company will sign and
issue and deliver to such Holder a new Warrant Certificate or Certificates
with respect to any portion not so transferred.  Each taker and Holder of
this Warrant Certificate, by taking and holding the same, consents and agrees
that prior to the registration of transfer as provided in the Warrant
Agreement, the Company may treat the Person in whose name the Warrants are
registered as the absolute owner hereof for any purpose and as the Person
entitled to exercise the rights represented hereby, any notice to the
contrary notwithstanding.  Accordingly, the Company shall not, except as
ordered by a court of competent jurisdiction as required by law, be bound to
recognize any equitable or other claim to or interest in the Warrants on the
part of any Person other than such registered Holder, whether or not it shall
have express or other notice thereof.

          This Warrant Certificate may be exchanged at the principal
executive office of the Company for Warrant Certificates representing the
same aggregate number of Warrants, each new Warrant Certificate to represent
such number of Warrants as the Holder hereof shall designate at the time of
such exchange.

          Prior to the exercise of the Warrants represented hereby, the
Holder of this Warrant Certificate, as such, shall not be entitled to any
rights of a shareholder of the Company, including, without limitation, the
right to vote or to consent to any action of the shareholders, to receive any
distributions, to exercise any preemptive right or to receive any notice of
meetings of shareholders, and shall not be entitled to receive any notice of
any proceedings of the Company except as provided in the Warrant Agreement.

                                       A-3

<PAGE>

          This Warrant Certificate shall be void and all rights evidenced
hereby shall cease on June 12, 2005, unless sooner terminated by the
liquidation, dissolution or winding-up of the Company or as otherwise
provided in the Warrant Agreement upon the consolidation or merger of the
Company with, or sale of the Company to, another Person or unless such date
is extended as provided in the Warrant Agreement.

          This Warrant Certificate shall not be valid for any purpose until
it shall have been signed by the Company.

                                   UBIQUITEL INC.

                                   By:
                                      ---------------------------------------
                                      Name:
                                           ----------------------------------
                                      Title:
                                            ---------------------------------

Dated:

                                       A-4

<PAGE>

                                 SUBSCRIPTION FORM

                   (To be executed only upon exercise of Warrant)

To:  UbiquiTel Inc.
     1 Bala Plaza, Suite 402
     Bala Cynwyd, Pennsylvania 19004
     Attention:  Chief Financial Officer

          The undersigned irrevocably exercises Warrants to purchase
___________ shares of Common Stock represented by this Warrant Certificate
and herewith makes payment of $_________ (such payment being by Federal wire
transfer to the account designated by UbiquiTel Inc.. or by certified or
official bank or bank cashier's check payable to the order or at the
direction of UbiquiTel Inc.), all at the exercise price and on the terms and
conditions specified in this Warrant Certificate and in the Warrant Agreement
referred to herein and surrenders this Warrant Certificate and all right,
title and interest therein to and directs that the Common Stock, par value
$0.001 per share, of UbiquiTel Inc. deliverable upon the exercise of such
Warrants be registered or placed in the name and at the address specified
below and delivered thereto.

    Dated:
           --------------

                             -----------------------------------------------
                             (Signature of Owner)

                             -----------------------------------------------
                             (Street Address)

                             -----------------------------------------------
                             (City)                   (State)     (Zip Code)

                             Signature Guaranteed By:

                             -----------------------------------------------
                             Signatures must be guaranteed by an "eligible
                             guarantor institution" meeting the requirements of
                             membership or participation in the Security
                             Transfer Agent Medallion Program ("STAMP") or such
                             other "signature guarantee program" as may be
                             determined by the Company in addition to, or in
                             substitution for, STAMP, all in accordance with
                             the Securities Exchange Act of 1934, as amended.

Securities and/or check or other property to be issued or delivered to:

Please insert social security or identifying number:
                                                    --------------------------

Name:
      ---------------------------------------------

Street Address:
                -----------------------------------

City, State and Zip Code:
                          -------------------------

                                       A-5

<PAGE>

                                  FORM OF ASSIGNMENT

          In consideration of monies or other valuable consideration received
from the Assignee(s) named below, the undersigned registered Holder of this
Warrant Certificate hereby sells, assigns, and transfers unto the Assignee(s)
named below (including the undersigned with respect to any Warrants
constituting a part of the Warrants evidenced by this Warrant Certificate not
being assigned hereby) all of the right of the undersigned under this Warrant
Certificate, with respect to the number of Warrants set forth below:

Name(s) of Assignee(s):
                        --------------------------------------------

Address:
         -----------------------------------------------------------

No. of Warrants:
                 ---------------------------------------------------

Please insert social security or other identifying number of assignee(s):

and does hereby irrevocably constitute and appoint _________________________ the
undersigned's attorney to make such transfer on the books of___________________
maintained for the purposes, with full power of substitution in the premises.

          In connection with any transfer of Warrants, the undersigned confirms
that without utilizing any general solicitation or general advertising that:

                                     [CHECK ONE]

/ /  (a)  these Warrants are being transferred in compliance with the exemption
          from registration under the United States Securities Act of 1933, as
          amended, provided by Rule 144A thereunder.

                                          OR

/ /  (b)  these Warrants are being transferred other than in accordance with (a)
          above and documents are being furnished which comply with the
          conditions of transfer set forth in this Warrant Certificate and the
          Warrant Agreement.

                                          OR

/ /  (c)  these Warrants are being transferred pursuant to an effective
          registration statement under the United States Securities Act of 1933,
          as amended.

          If none of the foregoing boxes is checked, the Company shall not be
obligated to register the Warrants in the name of any Person other than the
Holder hereof unless and until the conditions to any such transfer of
registration set forth herein and in Section 4 of the Warrant Agreement shall
have been satisfied.

                                       A-6

<PAGE>

Dated:
       ---------------

                             -----------------------------------------------
                             (Signature of Owner)

                             -----------------------------------------------
                             (Street Address)

                             -----------------------------------------------
                             (City)              (State)         (Zip Code)

                              Signature Guaranteed By:

                             -----------------------------------------------
                              Signatures must be guaranteed by an "eligible
                              guarantor institution" meeting the requirements of
                              membership or participation in the Security
                              Transfer Agent Medallion Program ("STAMP") or such
                              other "signature guarantee program" as may be
                              determined by the Company in addition to, or in
                              substitution for, STAMP, all in accordance with
                              the Securities Exchange Act of 1934, as amended.

TO BE COMPLETED BY PURCHASER IF (a) ABOVE IS CHECKED.

          The undersigned represents and warrants that it is purchasing the
Warrant(s) for its own account or an account with respect to which it
exercises sole investment discretion and that it and any such account is a
"qualified institutional buyer" within the meaning of Rule 144A under the
United States Securities Act of 1933, as amended, and is aware that the sale
to it is being made in reliance on Rule 144A and acknowledges that it has
received such information regarding UbiquiTel Inc. as the undersigned has
requested pursuant to Rule 144A or has determined not to request such
information and that it is aware that the transferor is relying upon the
undersigned's foregoing representations in order to claim the exemption from
registration provided by Rule 144A.

Dated:
       ---------------

                             -----------------------------------------------
                             [NOTE:  To be executed by an executive officer]

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