Main Features DMR Digital Radio Tier 2 time slots Crystal Clear Call Quality Dual Band RepeaterVHF 144-148MHz & UHF 420-450MHz 2200mAh High Capacity Battery High Power/Low power(5W/1W) 4000Channels ≥3km of Range 21CM Dual Band Antenna 8-Level Stepped Frequency Selection Auto power saving function,Super-Long Standby 14 hours usage time,up to 30 hours of standby time Emergency Alarm Flashlight Individual/Group/All Call Walkie-Talkie Detection CTCSS/DCS Compatible with Digital And Analog Systems Specifications Frequency Range VHF 144-148MHz & UHF 420-450MHz Channel Capacity 4000 channels* Digital Contact 800 (+130000.csv) Channel Spacing 25KHz(Wide Band), 12.5KHz(Narrow Band) Phase-locked Step 5KHz, 6.25KHz Frequency Stability ±2.5ppm Operating Voltage DC7.4V±20% /(2000mAh) Operating Temperature -20℃~+55℃ Dimension 125×61×36mm(with battery pack)* Weight 282g (with battery pack, antenna)* Receiver Wide band,Narrow band Analog Sensitivity(12dB SINAD) ≤0.25uV/≤0.35uV Digital Sensitivity 0.3uV/-117.4dBm(BER≤5%),0.7uV/-110dBm(BER≤1%) Adjacent Channel Selectivity ≥70dB/≥60dB Spurious Emission ≤-57dB/≤-57dB Spurious Rejection ≥70dB/≥70dB Hum & Noise ≥45dB/≥40dB Blocking 84dB Audio Distortion ≤5% Audio Power Output 1W/16Ω Audio response +1~-3dB Intermodulation ≥62dB/≥58dB Transmitting Wide band,Narrow band Power Output High:5W Low:1W Adjacent Channel Power ≥70dB/≥60dB FM Modulation ±5.0KHz@25KHz /±2.5KHz @12.5KHz 4FSK Digital Modulation 12.5KHz(data)7K60FXD /12.5KHz(data+voice)7K60FXE Audio Distortion