VHF TX: 144 - 147.995 MHz RX: 136 - 173.995 MHz UHF TX: 430 - 449.995 MHz RX: 420 - 470.000 MHz Transmitter: VHF H: 50 watts L: 5 watts (approx) UHF H: 35 watts L: 5 watts (approx) Modulation: F2E, F3E (FM) Reactance Modulator Antenna: 50 OM, unbalanced internal duplexer Supply Voltage: 13.8 volts DC Ground: Negative Current Consumption: TX RX VHF TX - 50 watts output 11.5 amps max. UHF TX - 35 watts output 10.0 amps max. VHF UHF RX: 1.2 amps max. Frequency stability: -10 ppm max. Dimensions: 140 w x 40 h x 176 d mm / 5.51