Professional FM intercom

Model: BF-UV5R PLUS
Frequency range: 136-174 400-520 (MHz)
RF output power: 10 (W)
Number of channels: 128 (a)
Theoretical communication distance: 3-8 (km)
Working voltage: 7.4 (V)
Battery type: lithium battery
Monitoring function: Yes
Communication type: Do not insert card