Patent ID: 8712368

Claim:
A system for providing radio communication in a Land Mobile Radio (LMR) system, the system comprising: a first radio operable in a first mode to perform one or more first mode operations, the first mode operations comprising: locking one or more keys or knob settings of the first radio, transmitting an evacuation command to other radios in the LMR system, and transmitting one or more out-of-range beacons; and a second radio operable in a second mode to perform one or more second mode operations, the second mode operations comprising: locking one or more keys or knob settings of the second radio, providing at least one of an audible, visual, or physical indication of an evacuation alert in response to receiving an evacuation command, providing at least one of an audible, visual, or physical indication of a received signal strength of the second radio, providing at least one of an audible, visual, or physical indication when the second radio is out of communication range of a signal source, and indicating a communication status of the second radio.