**Exhibit      10.57**

**FOURTH        LEASE MODIFICATION**

**THE        LEASE AGREEMENT,**
**AMERICAN        CENTER LLC **
**        AMERICAN CENTER ACQUISITION, LLC, **
**        LDMI TELECOMMUNICATIONS INC.**
**Suites        400, 500, 1660, 1680 **
** **
**        Storage Space #7 and #8 **
**AMERICAN        CENTER **

**Satellite        Dish**

| (a) | Tenant,                  at its sole expense has the right to erect, maintain and operate                  on the                  roof of the building, one (1) two foot (2’) diameter satellite dish                  (“Tenant Facilities”). Tenant, at its sole expense shall do all work                  necessary to prepare and to install transmission lines, connecting                  the                  Tenant Facilities to the transmitters and receivers in the Premises.                  All                  of Tenant’s construction and installation work (“Tenant’s Work”) shall be                  performed at Tenant’s sole cost and expense and in a good and workmanlike                  manner, in accordance with Tenant’s specifications and subject to                  Landlord’s General Requirements for Building Alterations as outlined in                  Exhibit “G” attached, and the provisions outlined below and in such a                  manner as not to damage the roof or void the roof warranty. Title                  to the                  Tenant Facilities shall be in Tenant. Tenant shall remove all Tenant                  Facilities at its sole expense on or before the expiration or earlier                  termination of the term in such a manner so as not to void the                  roof                  warranty and, provided Tenant repairs any damage to the roof of                  the                  property caused by such removal. |
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| (b) | Landlord                  shall provide to Tenant, Tenant’s employees, agents and subcontractors                  with two (2) days prior written notice (except in the case of an                  emergency), access to the roof of the building. Tenant shall proceed                  with                  Tenant’s Work in accordance with the following                  schedule: |
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|   | (i) | Tenant                  shall submit to Landlord working drawings (“Working Drawings”) prepared by                  Tenant. |
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|   | (ii) | Landlord                  shall, within twenty (20) days of receipt, either approve such                  Working                  Drawings or designate by notice to Tenant the specific changes                  required to                  be made to the Working Drawings or request additional information,                  which                  Tenant shall provide; and Tenant shall resubmit the modified Working                  Drawings to Landlord within twenty (20) days. If Landlord fails,                  within                  such twenty (20) day period, either to approve the Working Drawings                  or to                  advise Tenant of the specific modifications to be made thereto                  in order to                  gain Landlord’s approval, the Working Drawings shall be deemed approved by                  Landlord on the expiration of such twenty (20) day period if no                  response                  is forthcoming. |
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|   | (iii) | Tenant                  shall have the right at any time with two (2) days prior written                  notice                  (except in the case of an emergency), following the full execution                  of this                  Agreement, access to the roof for the purposes of: making necessary                  engineering surveys, inspections, other reasonably necessary tests                  (“Tests”) and constructing the Tenant Facilities (in accord with (ii)                  above). |
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| (c) | Tenant                  at its expense will defend, indemnify, save and hold harmless Landlord,                  its licensee, servants, agents, employees, affiliated entities                  and                  contractors, from and against any loss, damage, claim of damage,                  liability                  or expense, (including attorney fees) to or for an any person or                  property,                  whether based on contract, tort, negligence or otherwise, arising                  directly                  or indirectly out of or in connection with the Tenant Facilities                  installed                  by Tenant or any other person, licensee, servant, agent, employee                  or                  contractor, for the Tenant Facilities, whatever the cause or an                  any                  litigation or other proceeding by or against Tenant, or any person,                  licensee, servant, agent, employee or contractor, for the Tenant                  Facilities. |
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| (d) | Tenant                  shall bear the cost of any damage to the Property and/or the roof                  of the                  Property, or any increase in the Operating Expenses or Real Estate                  Taxes                  that may be incurred as a result of the installation of the Tenant                  Facilities or Tenant’s Work. |
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| (e) | Tenant’s                  installation, maintenance and operation of the Tenant Facilities                  as                  defined herein shall not interfere with Landlord’s operation of the                  building, cause radio or television interference to any Tenant                  of the                  building, or cause signal interference to any communication equipment                  operating on the Property, provided such radio communication equipment                  was                  installed by Landlord or any of Landlord’s Tenants prior to the                  commencement of this Lease. In the event any such interference                  is caused                  by Tenant, Tenant shall, at its own expense, provide and install                  any                  filter, isolators and other equipment necessary to eliminate such                  interference. |
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| (f) | Tenant                  will be responsible for all marking and lighting requirements of                  the                  Federal Aviation Administration (“FAA”) or the Federal Communications                  Commission (“FCC”) specifically associated with the construction,                  maintenance, or operation of Tenant’s Facilities of the Property, but none                  other. Tenant shall indemnify and hold Landlord harmless from any                  fines or                  other liabilities caused by Tenant’s failure to comply with such                  requirements. Should Tenant be cited by either the FCC or FAA because                  Tenant’s Facilities are not in compliance and should Tenant fail to cure                  the conditions of noncompliance within the time frame allowed by                  the                  citing agency, Landlord upon notice may proceed to cure the conditions                  of                  noncompliance. |
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| 2. | The                  Tenant Facilities shall be operated on a month to month basis for                  a term                  of no more than nine (9) years and six (6) months, commencing June                  1, 2004                  and expiring no later than November 30, 2013, with a Monthly Base                  Rent of                  Three Hundred and 00/100 Dollars                  ($300.00). |
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| 3. | **Non-Disclosure                  -**Tenant                  will not record this Lease or a memorandum hereof, and will not                  otherwise                  disclose the terms of this Lease to anyone other than its attorneys,                  accountants or employees who need to know of its contents in order                  to                  perform their duties for Tenant. Any other disclosure will be an                  event of                  Default under the Lease. Tenant agrees that Landlord shall have                  the right                  to publish a "tombstone" or other promotional description of this                  Lease. |
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| **LANDLORD:**                                                                                     |                                    | **TENANT:**                                                                                |
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| **AMERICAN                  CENTER LLC**,                  a                  Michigan Limited Liability Company |                                    | **LDMI                  TELECOMMUNICATIONS, INC.,**a                  Michigan corporation |
| By:                  **Southfield O****ffice Mananger,                  Inc.**                                   |                                    |                                                                                       |
| By:                                                                                                              |  /s/                Paul Stodulski |                                                                                       | By: |  /s/                Michael Mahoney |
| Printed:                                                                                                         | Paul                  Stodulski         |                                                                                       | Printed: |  Michael                Mahoney |
| Its:                                                                                                             | Secretary                               |                                                                                       | Its: |  CFO |
| Date:                                                                                                            |  5-19-04                           |                                                                                       | Date: |  5-19-04 |

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**EXHIBIT        G**

**GENERAL        REQUIREMENTS FOR BUILDING ALTERATIONS**

| 3.   | Before                  work commences on any building alterations, final plans must be                  submitted                  to REDICO Management, Inc. for Landlord’s review and                  approval. |
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| 4.   | All                  contractors must supply REDICO Management, Inc. with Workers Compensation                  and General Liability insurance, with coverages not less than those                  stated                  in the lease as required from the Tenant, naming REDICO Management,                  Inc.                  and Landlord as additional insureds. In addition, Tenant must supply                  REDICO Management, Inc. with the insurance coverage required by                  the lease,                  prior to the commencement of construction of tenant                  improvements. |
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| 5.   | Tenant/Contractor                  shall **at                  all times**                  keep the Premises free from accumulation of waste material or rubbish                  caused by operations. At the completion of work, Tenant/Contractor                  shall                  remove its waste materials and rubbish from and about the Project                  as well                  as all its tools, construction equipment, machinery and surplus                  materials. |
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| 6.   | Any                  dust producing work **must**be                  coordinated with the Building Management before proceeding, in                  order to                  prevent tripping the fire alarm. Tenant shall pay for the cost                  of any                  false alarms and shall provide Landlord with proof of such                  payment. |
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| 7.   | All                  work shall be done so as not to hinder any building or tenant                  operations. |
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| 8.   | All                  cold water supply lines must be                  insulated. |
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| 9.   | Whenever                  a tap is made from an existing water valve, a new shut-off valve                  and space                  valve must be installed. |
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| 10.   | All                  work with fire sprinkler systems and fire alarms **must**                  be                  coordinated with Building Management before commencement of such                  work. |
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| 11.   | All                  window treatments must be building                  standard. |
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| 12.   | All                  phone equipment must be installed in Tenant’s                  suite. |
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| 13.   | Tenant                  shall be responsible to repair, at its own cost and expense, any                  damages                  to the common areas caused by Tenant’s work and/or Tenant’s                  contractors. |
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| 14.   | A                  copy of the final certificate of occupancy and a set of as-built                  drawings                  must be sent to REDICO Management, Inc. before final                  payment. |
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| 15.   | Copies                  of full unconditional waivers of lien for work performed holding                  Landlord                  and REDICO Management, Inc. harmless must be provided to REDICO                  Management, Inc. |
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**It        will be Tenant/Contractor’s responsibility through its architects/engineers to        incorporate all applicable requirements of Title III of ADA into the Project.        Any approval by Landlord of Tenant’s plan, however, cannot and does not warranty        or guarantee that this Project will comply with all interpretations of the        ADA        requirements and/or the requirements of other federal, state and local laws,        rules, codes, ordinances and regulations as they apply to this        Project.**

|                           | **                            TENANT:**                                                                                |
|--------------------------------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|       | **                            LDMI                  TELECOMMUNICATIONS, INC.,**a                  Michigan corporation |
|                           |                                                                                                                                                                                                                                                               |
|                           | By:                                                                                                                                                                                                                                                                |  /s/                Michael Mahoney |
|                           | Printed:                                                                                                                                                                                                                                                           |  Michael                Mahoney |
|                           | Its:                                                                                                                                                                                                                                                               |  CFO |
|                           | Date:                                                                                                                                                                                                                                                              |  5-19-04 |