Sec.  90.548   Interoperability Technical Standards.

   (a) Transmitters operating on those narrowband channels in the 764–776 and
   794–806 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/ibr_loc
   ations.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]