GMRS

The General Mobile Radio Service (GMRS) is a land-mobile radio service available for short-distance two-way communications in the U.S. GMRS is a licensed radio service. The FCC grants five-year renewable licenses for GMRS Systems.

GMRS radios operate on 8 dedicated UHF channels, plus 7 channels that are shared with FRS. GMRS radios have typically an output power of 1.0 to 5.0 Watt. The maximum allowable power for a GMRS radio is 50 Watt. The GMRS channels which are shared with FRS are limited to a power of 5 Watt. GMRS radios are analogue and use frequency modulation (FM).