47 CFR § 95.1777 - GMRS tone transmissions.

§ 95.1777 GMRS tone transmissions.

In addition to audible and subaudible tones used for receiver squelch activation and selective calling, to establish or maintain communications with specific stations or to access repeater stations (see§ 95.377), GMRS transmitters may also transmit audio tones for station identification (see§ 95.1751).