Document:

Exhibit 10.6

                       ASSIGNMENT AND AMENDMENT OF LEASE
                       ---------------------------------

         THIS ASSIGNMENT AND AMENDMENT OF LEASE (the "Assignment") is made and
entered into this 17 day of July, 2002 by and among (i) Commerce Center
Development Corp. (hereinafter referred to as "Landlord"); (ii) SMR Advisory
Group, L.C. (hereinafter referred to as "Tenant"); and (iii) Bizcom U.S.A., Inc.
(hereinafter referred to as "Assignee").

         WHEREAS, Landlord and Tenant have heretofore entered into that certain
Lease Agreement dated January 31, 1996 (the "Lease"), for certain space
containing approximately 4,270 rentable square feet in 5440 NW 33rd Avenue,
Suite 106, Ft. Lauderdale, Florida, as more particularly described in said
Lease; and

         WHEREAS, Landlord and Tenant amended the Lease on April 26, 2001;

         WHEREAS, Tenant desires to assign all of its right, title and interest
in and to the Lease unto Assignee;

         NOW, THEREFORE, in consideration of the premises and other good and
valuable consideration, the receipt and sufficiency of which are hereby
acknowledged, the parties hereto do hereby agree as follows:

         1. Tenant hereby assigns all of its right, title and interest in and to
the Lease unto Assignee, and Assignee hereby assumes all of the obligations of
Tenant under said Lease to the same extent as if Assignee were the original
tenant thereunder.

         2. Tenant agrees to remain bound and fully liable for the full and
faithful performance of all covenants, obligations and acts of said Lease
notwithstanding the assignment of the Lease.

         3. Landlord hereby consents to this Assignment without releasing Tenant
from any of its obligations under the Lease, and in the event of any default
under the terms and conditions of said Lease, Landlord shall have the right to
enforce any of the remedies provided to it thereunder against Tenant or Assignee
either severally or jointly at its election. Landlord's consent to this
Assignment shall not be deemed to relieve Tenant or Assignee from the
requirement of obtaining Landlord's consent to any further assignments of the
Lease.

         4. All notices, rent or other payments required or desired to be given
hereunder by either party to the other shall be sent by first class mail,
postage prepaid, or by a reputable commercial messenger service, except that
notices of default shall be sent by certified mail, return receipt requested or
by a receipted commercial messenger service (such as Federal Express or Airborne
Express) for delivery on the next following business day. Notices to the
respective parties, and any amounts required to be paid hereunder, shall be
addressed and sent as follows:

If to Landlord: NOTICES AND CORRESPONDENCE           WITH A COPY TO:
Commerce Center Development Corp.                    B.F. Saul Property Company
c/o B.F. Saul Company                                900 Circle 75 Parkway
7501 Connecticut Avenue                              Suite 100
Suite 1500                                           Atlanta, GA 30339
Bethesda, MD 20814-6522

RENT, PAYMENTS, ETC.
c/o B. F. Saul Property Company
P.O. Box 17459
Baltimore, Maryland 21297-1459

If to Assignee: Bizcom U.S.A., Inc.
5440 NW 33rd Avenue
Suite 106
Ft. Lauderdale, Florida 33309

<PAGE>

If to Tenant:        SMR Advisory Group, L.C.
                     5440 NW 33rd Avenue
                     Suite 106
                     Ft. Lauderdale, Florida 33309

         5. The effective date of this Assignment, for all purposes shall be the
date hereof.

         6. Any agreements, obligation or liability, made, entered into or
incurred by or on behalf of Landlord binds only its property and no shareholder,
trustee, officer, employee, director, partner or agent of the Landlord assumes
or shall be held to any liability therefor.

         7. The parties hereto do hereby acknowledge that all of the terms,
covenants and conditions of the Lease are in full force and effect, and do
hereby ratify and confirm said Lease in all respects.

         8. Demised Premises. The Demised Premises as referred to under
Paragraph 1 of the aforesaid Lease is hereby increased in size so that it shall
include an additional area containing approximately 2,600 rentable square feet
(hereinafter defined as "Expansion Space") located in Building 5440 Suite 104
(as shown outlined in red on the Exhibit A-2) increasing the total Demised
Premises to approximately 6,870 rentable square feet. Effective August 1,2002,
all references in said Lease to the Demised Premises shall refer to the Demised
Premises as increased in size.

         9. Rent. Commencing August 1, 2002 through October 31, 2003, the
Initial Base Rent shall be increased to Six Thousand Eight Hundred Thirty Five
and 65/100 Dollars ($6,835.65) per month plus the required Florida State Rent
Tax in the amount of Four Hundred Ten and 14/100 Dollars ($410.14) for a total
of Seven Thousand Two Hundred Forty Five and 79/100 Dollars ($7,245.79) per
month.

         10. Term. The term of this Lease is hereby extended Eighteen (18)
months commencing on November 1, 2002 and terminating on April 30, 2004.

         11. Rent Adjustment. Commencing November 1, 2003 and each November 1
thereafter, Initial Base Rent shall be increased by three percent (3%).

         12. Annual Operating Costs.

                  (a) Commencing August 1, 2002, Tenant's Pro-rata Share as
provided in Paragraph 5 (e) is hereby increased to "11.23%".

                  (b) Commencing August 1, 2002, Tenant shall pay to Landlord on
the first day of each calendar month as its estimated payment for the Annual
Operating Costs the sum of Two Thousand Six Hundred Thirty Three and 50/100
Dollars (2,633.50), calculated at the rate of $4.50 per square foot per year,
plus the required Florida State Rent Tax in the amount of One Hundred Fifty
Eight and 01/100 Dollars ($158.01) for a total of Two Thousand Seven Hundred
Ninety One and 51/100 Dollars ($2,791.51) per month.

         13. The Rent Commencement Date of this Amendment shall be August 1,
2002 (hereinafter referred to as "Rent Commencement Date").

         14. Construction. Tenant accepts Expansion Space in "as is" condition
except Landlord agrees to steam clean carpet, patch walls as needed, repaint
walls as needed, replace damaged ceiling tile, and install one cased door
opening and one double door. Landlord further agrees that heating and air
conditioning, electrical, and plumbing systems in the Expansion Space shall be
in good working order on the Rent Commencement Date.

         15. Except as modified hereby, the Lease shall remain in full force and
effect in accordance with its terms, and is hereby ratified, approved and
conformed in all respects.

<PAGE>

         16. INTERPRETATION. The submission of this Assignment for examination
does not constitute an agreement, an option or an offer, and this Assignment
becomes effective only upon execution and delivery thereof by Landlord. Neither
party shall have any legal obligation to the other in the event that the
Assignment contemplated herein is not consummated for any reason. Discussions
between the parties respecting the proposed Assignment described herein shall
not serve as a basis for a claim against either party or any officer, director
or agent of either party. Captions and headings are for convenience and
reference only and shall not in any way define, limit or describe the scope or
content of any provision of this Assignment. Except as otherwise provided
herein, capitalized terms shall have the same meaning as set forth in the Lease.
Whenever in this Assignment (i) any printed portion, or any part thereof, has
been stricken out, or (ii) any portion of the Lease (as the same may have been
previously amended) or any part thereof, has been modified or stricken out,
then, in either of such events, whether or not any replacement provision has
been added, this Assignment and the Lease shall hereafter be read and construed
as if the material so stricken out were not included, and no implication shall
be drawn from the text of the material so stricken out which would be
inconsistent in any way with the construction or interpretation which would be
appropriate if such material had never been contained herein or in the Lease.
The Exhibits referred to in this Assignment and attached hereto are a
substantive part of this Assignment and are incorporated herein by reference.

         IN WITNESS WHEREOF, the parties hereto do hereby execute this
Assignment and Amendment under seal on the day and year first above written.

ATTEST:                           TENANT: SMR Advisory Group, L.C.

/s/  Jody Koenigsberg             By:     /s/ Albert Koenigsberg   (SEAL)
                                           Name: Albert Koenigsberg
                                           Title: President
                                           Tenant's Tax I.D. Number or Social
                                           Security Number: 65-067-1886

ATTEST:                           ASSIGNEE: Bizcom U.S.A., Inc.

/s/  Michael Fehribach                      By: /s/ David L. George
                                            Name: David L. George
                                            Title: COO
                                            Assignee's Tax I.D. Number or Social
                                            Security Number: 65-068-1772

ATTEST:                           LANDLORD COMMERCE CENTER
                                  DEVELOPMENT CORP.

/s/ Cheryl C. Snyder              By: /s/ Philip D. Caraci
(seal) Assistant Secretary        Philip D. Caraci, President
Cheryl C. Snyder
Assistant SecretaryExhibit 10.7

                                    AGREEMENT

         THIS AGREEMENT (the "Agreement") is made as of the 14th day of October
2002 by and between BizCom U.S.A., Inc., a Florida corporation (the "Company")
with its principle place of business located at 5440 N.W. 33 Avenue, Suite 106,
Fort Lauderdale, Florida 33309-6338 and Edward W. Lent III ("Lent") whose
address is 10605 Gay Terrace, Upper Marlboro, Maryland 20772.

                              W I T N E S S E T H:

         WHEREAS, Lent is an employee at will of the Company; and

         WHEREAS, the Company and Lent wish to terminate such employment
arrangement and to establish this Agreement as the sole expression of their
respective rights and duties;

         NOW, THEREFORE, in consideration of the mutual premises and covenants
set forth herein, and other good and valuable consideration, the receipt and
sufficiency of which is acknowledged by each of the parties hereto, the parties
hereto agree as follows:

         1.  Termination of Employment.
             -------------------------

         Immediately upon execution of this Agreement by both parties hereto,
Lent's employment with the Company is hereby terminated and Lent resigns from
any and all officer, director and employee positions with the Company, and any
divisions and subsidiaries thereof, without any further actions and/or writings
for or on behalf of either of the parties hereto.

         2.   Related Matters.
              ---------------

         During the period from October 1, 2002 through January 1, 2003 (the
"Term"), subject however, to the early termination provisions herein, in which
case the provisions of Section 3 shall apply, the Company shall pay Lent an
aggregate of $30,000 gross ($ 4,615.00 less all applicable taxes, on a bi-weekly
basis, with the last payment on January 1, 2003 to be appropriately adjusted)
and promptly reimburse Lent upon receipt from him of documentation reasonably
satisfactory to the Company for reasonable business expenses incurred by Lent on
behalf of the Company prior to August 26, 2002 and not previously reimbursed.
Lent shall not be entitled to receive any additional compensation or
remuneration, however characterized and for whatever capacity in connection with
Lent's employment and affiliation with the Company, other than as set forth in
the immediately preceding sentence.

         During the Term and as otherwise noted, Lent shall not, directly or
indirectly: (a) during the Term and for the immediate three (3) month period
thereafter, be employed by, consult or attempt to be employed by or consult with
any current customers of the Company, whether in the 220 MHz SMR radio sector
and/or the emergency management hardware and software sector (collectively, the
"Sectors"), except with written and oral notice provided by Lent to the
Company's Chief Executive Officer, Hanan Klein, concurrent with Lent's
consulting engagement or attempt at such consulting

                                        1

<PAGE>

engagement with any such customer and further provided that such consulting
engagement is not in connection with or relating to any product(s) and/or
service(s) competitive with the Company's products (220 MHz SMR radios and
related equipment; EM/2000, MaxResponder, and/or other emergency management
and/or public safety software and hardware which may be distributed by the
Company and/or a subsidiary and/or otherwise related entity from time to time,
and all improvements and/or modifications of any of the foregoing products in
the Sectors) and/or services (sales, installation, training and/or support
relating to any of such described products in the Sectors); (b) physically or
otherwise for or on behalf of the Company (unless by prior written agreement
with the Company) attend any trade shows, conventions, or association meetings,
however any of same may otherwise be characterized, involving either or both of
the Sectors; (c) meet with any competitor and/or prospective competitor of the
Company in either or both of the Sectors for the purpose of competing directly
or indirectly with the Company in either or both of the Sectors; (d) make any
written or oral derogatory comments to any third parties concerning the Company,
it's current business and operations, and its officers, directors, employees,
agents, shareholders, consultants (and the officers, directors, employees and
agents thereof); and (e) consult and/or otherwise be employed directly or
indirectly during the Term and for two (2) years thereafter full or part-time by
any other firm, person or entity which currently or plans to sell and market
products and/or services which compete or are planned to compete in the 220 MHz
SMR business and/or with the EM/2000 and/or the MaxResponder, including any
improvements and/or modifications thereto.

         3.  Termination.
             ------------

         Except as otherwise provided in Section 14 herein, this Agreement shall
terminate at the end of the Term, unless terminated prior thereto:

         (a) by the Company for "cause," defined to mean: (1) negligence,
malfeasance, misfeasance, nonfeasance or willful misconduct by Lent in the
performance of his obligations hereunder; or (2) Lent's failure to comply with:
(x) any of the terms and conditions set forth herein; and/or (y) any of his
obligations hereunder. In the event of such termination by the Company, Lent
shall not be entitled to receive any additional compensation hereunder from and
after such date of termination, and neither the Company nor any of its officers,
directors, employees, shareholders, attorneys or agents shall have any liability
to Lent in connection with or arising out of such termination;

         (b) by the Company without "cause," in which case the Company shall be
obligated to continue to pay Lent in accordance with the terms of Section 2
above;

         (c) by Lent for "cause," defined to mean the Company's repeated failure
to comply with its obligations set forth in Section 2 above. In the event of
such termination by Lent, Lent shall be entitled to pursue any and all legal
and/or equitable remedies available to him;

         (d) by Lent without "cause," in which event Lent shall not be entitled
to receive any additional compensation hereunder from and after such date of
termination, and neither the Company nor any of its officers, directors,
employees, shareholders, attorneys or agents shall have any liability to Lent in
connection with or arising out of such termination.

                                        2

<PAGE>

         4.  Confidential Information.
             ------------------------

         Lent shall not at any time during or following expiration or
termination of this Agreement, regardless of the manner, reason, time or cause
thereof, directly or indirectly disclose or furnish to any person, not entitled
to receive the same for the immediate benefit of the Company, any trade secrets
or confidential information that Lent may have acquired with respect to the then
current or proposed business of the Company, including, without limitation and
except as is otherwise generally known or which becomes generally known to the
public other than through a breach of this Agreement: (i) information as to the
enabling technology, business methods, operations and affairs of the Company;
(ii) the names, addresses and requirements of any of its suppliers and/or
customers; and (iii) any information relating to customer lists, prices,
advertising, programs and/or services. All such trade secrets and confidential
information, including but not limited to information as to the names,
addresses, or requirements of any of the Company's suppliers or customers
acquired or compiled by Lent during his employ by the Company shall be the
exclusive property of the Company.

         5.  Integration.
             -----------

         This Agreement contains the complete agreement between the parties
hereto as to the matters expressly set forth herein, and shall as of the date of
execution by both parties hereto, supercede all other agreements, arrangements
and understandings, if any, between such two parties as to such express matters.
Notwithstanding the foregoing or anything else herein, this Agreement shall not,
however, in any way amend, supercede, cancel or otherwise effect the Exclusive
License Agreement dated as of April 15, 2002 by and between The Public Safety
Group LLC and the Company (the "License Agreement"), or any of the terms and
conditions set forth therein, except to the extent the specific non-compete
provisions applicable to Lent set forth in this Agreement conflict with the non-
compete provisions in the License Agreement, the specific non-compete provisions
set forth in this Agreement shall supercede such non-compete provisions in the
License Agreement.

         6.  Mutual General Releases of Claims.
             ---------------------------------

         Each of the parties hereto (a "Releasing Party") releases and holds
harmless the other party and, as the case may be, its affiliates, officers,
directors, employees, shareholders, attorneys, agents, successors, permitted
assigns, if any, estates, heirs, executors and administrators (collectively, the
"Released Parties") from any and all claims and demands, actions and causes of
action, damages, costs, expenses, compensation, remuneration, and any and all
known and unknown, foreseen and unforeseen damages, and consequences thereof,
which the Releasing Party ever had, now has, or hereafter can, shall or may have
for, upon or by reason of any matter, cause or thing whatsoever relating to or
arising from Lent's employment with the Company from the beginning of the world
to the date first set forth above, except for the ongoing obligations of the
parties set forth in this Agreement, and in the License Agreement, as may be
modified pursuant to Section 5 above.

         7.  Indemnification.
             ---------------

         Each party (an "Indemnifying Party") indemnifies and holds harmless the
other party and its affiliates, officers, directors, employees, shareholders,
attorneys, agents, estate, heirs, executors,

                                        3

<PAGE>

administrators, successors and permitted assigns, if any (collectively, the
"Indemnified Party") from and against any and all claims, losses, liabilities,
costs and expenses, including reasonable attorneys' fees and expenses, which an
Indemnified Party may incur by reason of any breach by the Indemnifying Party of
any provision of this Agreement and/or in connection with the enforcement of the
Indemnified Party's rights under this Agreement, including its rights to
indemnification.

         8.  Effect of Partial Invalidity; Waiver.
             ------------------------------------

         The invalidity of any portion of this Agreement will not and shall not
be deemed to effect the validity of any other provision. Failure to insist upon
strict compliance with any of the terms or conditions herein shall not be deemed
a waiver or relinquishment of any such terms or conditions, nor shall any waiver
or relinquishment or any right or power hereunder at any one or more times be
deemed a waiver or relinquishment of such right or power at any other time or
times.

         9.  Governing Law; Venue; Jurisdiction.
             ----------------------------------

         This Agreement shall be deemed made in and governed by the laws of the
State of Florida without regard to choice or conflict of law principles. Any
action and/or proceeding relating to or arising out of this Agreement shall be
brought solely in the federal and/or state courts located in Broward County,
Florida. The prevailing party in any such action and/or proceeding shall be
entitled to recover its/his reasonable attorneys' fees and costs from the other
party. In recognition of the fact that the issues which could arise under this
Agreement are of such a complex nature that they could not be properly tried
before a jury, each of the parties hereto waives trial by jury. In addition to
any other means permitted by law, service of process may be made in the manner
permitted for notice under this Agreement (other than notice by telecopier).
Lent acknowledges and agrees that in the event of Lent's breach of the
provisions set forth in Section 4 hereof and/or the non-compete provisions set
forth in the License Agreement, the Company shall be entitled to seek and obtain
injunctive relief against Lent in connection therewith, in addition to any other
legal and/or equitable remedies which may be available to the Company.

         10.  Notices.
              -------

         Any notice under this Agreement shall be deemed given when transmitted
by mail, telecopier or nationally recognized overnight courier service to the
address of the respective parties as follows:

      If to the Company:  5440 N.W. 33 Avenue, Suite 106,
                          Fort Lauderdale, Florida 33309-6338
                          Attention: Hanan "Hank" Klein, Chief Executive Officer
                          Telecopier No. (954) 714-0024

      If to Lent:         Edward W.  Lent III
                          10605 Gay Terrace
                          Upper Marlboro, Maryland
                          Telecopier No. (413) 403-2206 or (301) 599-2316

                                        4

<PAGE>

or to such other address as the addressee shall have communicated to the other
party in writing pursuant to the provisions hereof.

         11.  No Assignment.
              -------------

         This Agreement may not be assigned by either party nor may either party
assign its respective rights and obligations hereunder without the prior written
consent of the other party, which consent may be withheld in such party's sole
and absolute discretion without any liability to such party.

         12.  Binding Effect.
              --------------

         This Agreement shall be binding upon the parties' respective heirs,
executors, administrators, successors and permitted assigns, if any.

         13.  Rule of Construction That Ambiguities to be Construed Against
              -------------------------------------------------------------
              Drafter Not Applicable.
              -----------------------

         As both parties to this Agreement have been represented by counsel, the
rule of construction that ambiguities are to be construed against the drafter
shall not be applicable.

         14.  Miscellaneous.
              -------------

         (a) It is expressly acknowledged and agreed that promptly subsequent to
the execution hereof by both parties hereto, the Company may file a copy of this
Agreement with the U.S. Securities and Exchange Commission in connection with
its reporting obligations under the Securities Exchange Act of 1934, and will
amend its current private placement offering memorandum to reflect the terms and
conditions of this Agreement.

         (b) Neither party to this Agreement will in any way disparage the other
party and further, in the case of the Company as it applies to Lent, the
Company's business and operations; the Company agrees to use reasonable best
efforts to cause its officers, directors, employees and agents to comply with
this provision.

         (c) Lent shall at all times during the Term and thereafter fully
cooperate with the Company, as may be requested by the Company, at his expense,
subject to reasonable reimbursement requests, in fully supporting all of the
Company's current licensing rights to the EM/2000 and MaxResponder, and any
improvements and modifications thereto.

         (d) The provisions of Sections 2, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13 and
14 shall survive the termination of this Agreement for any reason.

         (e) This Agreement may be executed in one or more counterparts and via
telcopier.

                           [THIS SPACE INTENTIONALLY LEFT BLANK]

                                        5

<PAGE>

         IN WITNESS WHEREOF, the parties hereto have executed this Agreement
effective as of the date first set forth above.

                             BIZCOM U.S.A., INC.

                             By:  /s/ Hanan Klein
                                   Hanan "Hank" Klein, Chief Executive Officer

STATE OF FLORIDA      )
                      )SS:
COUNTY OF BROWARD     )

         The foregoing instrument was acknowledged before me on this __ day of
October __ 2002 by Hanan "Hank" Klein as Chief Executive Officer of BizCom
U.S.A., Inc., a Florida corporation, on behalf of such corporation, who is
personally known to me or has produced ___________________ as identification and
did/did not take an oath.

                                 Notary Public:

                                            sign________________________________

                                            print_______________________________
                                            State of Florida at Large (Seal)
                                            My Commission Expires:

                                            /s/Edward W.  Lent III
                                            ----------------------
                                            Edward W.  Lent III

STATE OF ____________               )
                                    )SS:
COUNTY OF __________                )

         The foregoing instrument was acknowledged before me on this ___ day of
October __ 2002 by ______________Edward W. Lent III who is personally known to
me or has produced ___________________ as identification and did/did not take an
oath.

                                 Notary Public:

                                            sign________________________________

                                            print_______________________________
                                            State of ___________ at Large (Seal)
                                            My Commission Expires:

                                        6

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