Key Feature 1) IP67 waterproof and dustproof (Not diving) 2) Relay Forwarding Confirmed (1750 HZ) 3) Dual Band, Dual Display and Dual Standby 4) High &Low Power Switchover 5) Battery Saving 6) VOX Function 7) Wide/Narrow Band Selection 8) Auto-Back Light 9) Dual Band Standby 10) Time-out Timer (TOT) 11) 50 CTCSS and 104 DCS Codes 12) Voice Prompt 13) ANI Code 14) PC or Manual Program 15) DTMF Code 16) PTT-ID 17) ATUO Keypad Lock 18) Busy Channel Lock Function 19) Low Battery Warning 20) Emergency Alarm 21) Priory Scanning Function 22) U/V Cross Band Dual Watch General Frequency Range VHF:136-174MHz UHF400-520MHz Channel Capacity 128 Channel Spacing 25KHz/12.5KHz Antenna Impedance 50 Microphone Impedance 600 Operating Voltage 7.4V DC±15% Frequency Stability ±2.5ppm Battery 2200mAh(Polymer Li-ion) Compatible With American Military Standard(Mil-STD-810C/D/E) Transmitter(EIA-RS 316B STANDARD) RF Power Output 8W Modulation Type FM Modulation Sensitivity <15µV Modulation Distortion 3% Max Freq Deviation <5KHz Occupied Bandwidth 16KHz Modulation Feature ±3dB Spurious Radiation 7.5 W Adjacent Channel Power -65dB Receiver Sensitivity(12db SINAD) 0.15 (12dB S/N) Squelch Sensitivity 0.1 V Audio Power output 1W/16 Audio Respond -6 Operation Bandwidth >5KHz Co-channel Rejection -8dB Blocking 85dB Adjacent Channel Selectivity 65dB Standby Current 60mA,15mA Spurious Rejection 60dB Intermodulation Resistance 60dB Package included: 1× two way radio 1× Antenna 1× 2200mAh Li-ion battery pack 1 x Desktop Charger(EU/US) 1× Belt clip 1× User manual 1× PTT Speaker