ARM 37.104.201. COMMUNICATIONS

(1) A ground ambulance must have a VHF mobile radio, and an air ambulance must have a VHF portable radio, each with a minimum of the following: (a) dual tone multi-frequency encoder; (b) frequency 155.280 mHz; (c) frequency 155.340 mHz; (d) frequency 155.325 mHz; (e) frequency 155.385 mHz; and (f) frequency 153.905 mHz. (2) A nontransporting unit must have the capability of providing at least one radio at every emergency medical scene with a minimum of the following: (a) frequency 155.280 mHz; (b) frequency 155.340 mHz; and (c) frequency 153.905 mHz. (3) An emergency medical service must have current legal authorization to use each of the frequencies required in (2).