[Code of Federal Regulations] [Title 47, Volume 5] [Revised as of October 1, 2002] From the U.S. Government Printing Office via GPO Access [CITE: 47CFR90.231] [Page 357] TITLE 47--TELECOMMUNICATION COMMISSION (CONTINUED) PART 90--PRIVATE LAND MOBILE RADIO SERVICES--Table of Contents Subpart J--Non-Voice and Other Specialized Operations Sec. 90.231 Scope. This subpart sets forth requirements and standards for licensing and operation of non-voice and other specialized radio uses (other than radiolocation). Such uses include secondary signaling, telemetry, radioteleprinter, radiofacsimile, automatic vehicle monitoring (AVM), radio call box, relay, vehicular repeater, and control station operations.