UHF 450-520Mhz 128Ch 5W Radio DSR-590 Radio Replaces Motorola HT1250 THE DSR-590 COMES COMPLETE WITH ANTENNA, BATTERY , AND CHARGING STATION. DSR DETAIL SPECS Frequency Range: 450-520MHz UHF Talk Range: 1.75 · 3 Miles Channels: 128 Voltage: 7.4V Battery: 1400mAH Li-ION Weight: 6 oz(with Battery and Antenna) Antenna Impedance: 50 O Dimensions: 2.2in x 4.13 in x 1.33 in Output Power: 5 Watts RF Sensitivity: =0.18uV Audio Power: < 0.5W Audio Distortion: <7% Adjacent Chan Selectivity: =-65 dB Intermodulation: =-860dB Blocking: =-85dB Spurious Rejection: =-860dB Total Channel Inhibition: =-8 dB Receive Current: =200mA