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                               ENFORCEMENT BUREAU

                                 WESTERN REGION

                         San Francisco  District Office

                         5653 Stoneridge Dr., Suite 105

                           Pleasanton, CA 94588-8543

                                 June 14, 2011

   Vance Brown Builders

   Palo Alto, California

                         NOTICE OF UNLICENSED OPERATION

   Case Number: EB-11-SF-0073

   Document Number: W201132960005

   On May 13, 2011, in response to an interference complaint from AT&T on the
   800 MHz cell phone band in Palo Alto, California, agents from the
   Enforcement Bureau's San Francisco Office met with you at your company,
   Vance Brown Builders, in Palo Alto, California. You acknowledged to the
   San Francisco agents the operation of a bi-direction amplifier ("BDA") and
   further acknowledged that Vance Brown Builders is a subscriber to AT&T
   wireless services.

   AT&T has a license to provide cellular communications on the 800 MHz cell
   phone band in the Palo Alto area. Section 22.383 of the Commission's
   Rules, which applies to public mobile service licensees like AT&T and
   Verizon Wireless, provides that "[l]icensees may install in-building
   radiation systems without applying for authorization or notifying the FCC,
   provided that the locations of the in-building radiation systems are
   within the protected service area of the licensee's authorized
   transmitter(s) on the same channel or channel block." A licensee's
   authority to install a BDA does not, without further authorization from
   the licensee, permit a subscriber to install a BDA. In response to an
   inquiry from a San Francisco agent, AT&T reported that they did not
   provide you authorization to install or operate a BDA.

   Operation of radio transmitting equipment without a valid FCC
   authorization or license is a violation of Section 301 of the
   Communications Act of 1934, as amended, and may subject the responsible
   parties to substantial monetary forfeitures, in rem arrest action against
   the offending radio equipment, and criminal sanctions including
   imprisonment. Because unlicensed operation creates a danger of
   interference to important radio communications services and may subject
   the operator to severe penalties, this warning emphasizes the importance
   of complying strictly with these legal requirements.


   You have ten (10) days from the date of this notice to respond with any
   evidence that you have authority to operate granted by the FCC or have
   obtained consent from a licensed Common Carrier. To resolve the issue with
   respect to your authority to operate this device, and pursuant to Section
   403 of the Communications Act of 1934, as amended, provide an explanation
   as to what has been done to correct the interference issue and to ensure
   that it will not recur; provide any agreements made with any cellular
   carrier to operate the system and include any relevant documents. Identify
   the make, model and serial number of each piece of equipment including the
   antennas if applicable.

   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 Commission'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.

   You may contact this office if you have any questions.

   Thomas N. Van Stavern

   District Director

   San Francisco District Office

   Western Region

   Enforcement Bureau


   Excerpts from the Communications Act of 1934, As Amended

   Enforcement Bureau, "Inspection Fact Sheet", March 2005

   Section 22.99 of the Commission's Rules defines "in-building radiation
   systems" as "[s]upplementary systems comprising low power transmitters,
   receivers, indoor antennas and/or leaky coaxial cable radiators, designed
   to improve service reliability inside buildings or structures located
   within the service areas of stations in the Public Mobile Services." 47
   C.F.R. S: 22.99

   47 C.F.R. S: 22.383.

   47 U.S.C. S: 301.

   See 47 U.S.C. S:S: 401, 501, 503, 510.

   47 U.S.C. S: 403.