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                       FEDERAL COMMUNICATIONS COMMISSION

                               ENFORCEMENT BUREAU

                              South Central Region

                                Houston  Office

                             9597 Jones Road, #362

                               Houston, TX 77065

                                August  13, 2010

   Via Certified Mail: 7009 3410 0000 1986 8701

   Wireless Metro LLC

   Houston, Texas

                       NOTICE OF UNLICENSED OPERATION AND

                      NOTIFICATION OF HARMFUL INTERFERENCE

   Case Number: EB-10-HU-0049

   Document Number: W201032540005

   On June 15, 2010, in response to complaints of interference from the
   Federal Aviation Administration ("FAA"), agents from the Enforcement
   Bureau's Houston Office confirmed by direction finding techniques that
   radio emissions on the frequencies 5.620 GHz and 5.660 GHz were emanating
   from the roof of the San Felipe Plaza building located at 5847 San Felipe
   Road in Houston, Texas. These transmissions were interfering with the
   FAA's Terminal Doppler Weather Radar ("TDWR") serving the George Bush
   Intercontinental and William P. Hobby Airports. On June 16, 2010, after
   receiving contact information from the owner of the San Felipe Plaza
   building, agents from the Houston Office met with representatives of
   Wireless Metro, including your President/COO, on the rooftop of the San
   Felipe Plaza building to determine whether your operation caused the
   interference to the TDWR. The agents confirmed that interference to the
   TDWR ceased when your equipment was tuned to different frequencies.
   Additionally, during the inspection of your equipment, the agents observed
   that the dynamic frequency selection ("DFS") functionality on your
   equipment was disabled while operating on the frequencies 5.560GHz and
   5.660 GHz. The DFS functionality was enabled by one of your technicians
   during the FCC's inspection.

   Radio stations must be licensed by the Federal Communications Commission
   ("FCC") pursuant to 47 U.S.C. S: 301. The only exception to this licensing
   requirement is for certain transmitters using or operating at a power
   level or mode of operation that complies with the standards established in
   Part 15 of the Commission's rules, 47 C.F.R. S:S: 15.1 et seq.

   Nonlicensed operation pursuant to Part 15 of the FCC's rules, however, is
   conditioned upon compliance with all applicable regulations in the
   subpart, 47 C.F.R. S: 15.1(b). Unlicensed National Information
   Infrastructure ("U-NII) devices are required to have DFS functionality
   enabled for any operation in the 5.250 GHz - 5.350 GHz and the 5.470 GHz -
   5.725 GHz bands. See 47 C.F.R. S: 15.407(h)(2). Accordingly, your
   operation on the frequencies 5.560 GHz and 5.660 GHz was not in compliance
   with the requirements of Part 15 of the FCC's rules and should therefore
   be licensed by the FCC. The FCC has no record of a license being issued to
   you to operate a transmitter on 5.560 GHz or 5.660 GHz from this location.
   Thus, your operation was in violation of 47 U.S.C. S: 301.

   Nonlicensed operation of a radio transmitter is also subject to the
   condition that it must not cause harmful interference and, if harmful
   interference occurs, operation of the device must cease. See 47 C.F.R. S:
   15.5. Harmful interference is defined as "[a]ny emission, radiation or
   induction that endangers the functioning of a radio navigation service or
   of other safety services or seriously degrades, obstructs or repeatedly
   interrupts a radio communications service." See 47 C.F.R. S: 15.3(m).

   You are hereby notified that your device operating on 5.620  GHz was
   causing harmful interference to the TDWR that serves the George Bush
   Intercontinental Airport. Additionally, you are hereby notified that your
   device operating on 5.660 GHz was causing harmful interference to the TDWR
   that serves the William P. Hobby Airport.

   You are also hereby warned that operation of radio transmitting equipment
   without a valid radio station authorization and/or operation of otherwise
   authorized equipment that continues to cause harmful interference after
   your receipt of this warning, constitutes a violation of the Federal laws
   cited above and could subject the operator to severe penalties, including,
   but not limited to, substantial monetary fines, in rem arrest action
   against the offending radio equipment, and criminal sanctions including
   imprisonment. (See 47 U.S.C. S:S: 401, 501, 503 and 510).

   UNLICENSED OPERATION OF A U-NII DEVICE ON 5.560 GHz OR 5.660 GHz MUST NOT
   RESUME. NONLICENSED OPERATION OF A PART 15 DEVICE MAY NOT RESUME UNLESS
   YOU ARE IN FULL COMPLIANCE WITH PART 15 OF THE FCC'S RULES.

   You have ten (10) days from the date of this notice to respond concerning
   your operation of these Part 15 devices.  Please provide the makes and
   models of the U-NII devices in use by you on the rooftop of the San Felipe
   Plaza building rooftop on June 16, 2010. Your response should also
   describe the steps you are taking to ensure that your operation does not
   interfere with the TDWRs  that serve the George Bush Intercontinental and
   William P. Hobby Airports,  as well as any TDWR serving any other airport.
   Your response should be sent to the address in the letterhead and
   reference the listed case and document number. Under the Privacy Act of
   1974, 5 U.S.C. S: 552a(e)(3), we are informing you that the FCC's staff
   will use all relevant material information before it to determine what, if
   any, enforcement action is required to ensure your compliance with FCC
   Rules. This will include any information that you disclose in your reply.

   Be advised that this warning does not preclude this office from pursuing
   additional sanctions based upon our investigation of this incident.

   You may contact this office if you have any questions.

   Stephen P. Lee

   Resident Agent

   Houston Office

   Attachments:

   Excerpts from the Communications Act of 1934, As Amended