§  90.548   Interoperability Technical Standards.

   (a) Transmitters operating on those narrowband channels in the 769-775
   and 799-805 MHz band designated for interoperability ( see § 90.531)
   shall conform to the following technical standards:

   (1) Transmitters designed for voice operation shall include a 12.5 kHz
   bandwidth mode of operation conforming to the following standards,
   which are incorporated by reference: Project 25 FDMA Common Air
   Interface--New Technology Standards Project--Digital Radio Technical
   Standards, approved April 15, 1998, Telecommunications Industry
   Association, ANSI/TIA/EIA-102.BAAA-1998; Project 25 Vocoder
   Description, approved May 5, 1998, Telecommunications Industry
   Association, ANSI/TIA/EIA-102.BABA-1998.

   (2) Transmitters designed for data transmission shall include a 12.5
   kHz bandwidth mode of operation conforming to the following standards,
   which are incorporated by reference: Project 25 Data Overview--New
   Technology Standards Project--Digital Radio Technical Standards,
   approved March 3, 2000, Telecommunications Industry Association,
   ANSI/TIA/EIA-102.BAEA-2000; Project 25 Packet Data Specification--New
   Technology Standards Project--Digital Radio Technical Standards,
   approved March 3, 2000, Telecommunications Industry Association,
   ANSI/TIA/EIA-102.BAEB-2000; Project 25 Radio Control Protocol
   (RCP)--New Technology Standards Project--Digital Radio Technical
   Standards, approved March 3, 2000, Telecommunications Industry
   Association, ANSI/TIA/EIA-102.BAEE-2000; Project 25 FDMA Common Air
   Interface--New Technology Standards Project--Digital Radio Technical
   Standards, approved April 15, 1998, Telecommunications Industry
   Association, ANSI/TIA/EIA-102.BAAA-1998.

   (b) The Director of the Federal Register approves these incorporations
   by reference in accordance with 5 U.S.C. 552(a) and 1 CFR part 51.
   Copies of the standards listed in this section that are incorporated by
   reference may be inspected at the Federal Communications Commission,
   445 12th Street, SW., Washington, DC (Reference Information Center) or
   at the National Archives and Records Administration (NARA). For
   information on the availability of this material at NARA, call
   202-741-6030, or go to:
   http://www.archives.gov/federal_register/code_of_federal_regulations/ib
   r_locations.html. The standards can also be purchased from TIA/EIA,
   2500 Wilson Boulevard, Arlington, VA, 22201; Global Engineering
   Documents, 15 Inverness Way East, Englewood, CO 80112; or the American
   National Standards Institute, 25 West 43rd Street, Fourth Floor, New
   York, NY 10036 (or via the Internet at www.ansi.org. )

   [ 67 FR 61005 , Sept. 27, 2002, as amended at  72 FR 48863 , Aug. 24, 2007]