1.44 Inch TFT displayProfessional mode for different operation requirement500 programmable memory channels, identified by editing nameCTCSS, DCS, DTMF, 2Tone, 5Tone setting for each single channel11 groups fixed scrambler code plus self define scrambler codeLCD brightness controlMain unit and microphone key lock functionCompander functionTone Pulse frequencyGeneralGMRS, Programmable, please send us email to get the softwareNumber of Channels 500 ChannelsOperating Voltage 13.8V DC 15%Squelch Carrier/CTCSS/DCSFrequency Stability 2.5 ppmOperating Temperature -20~+60Dimensions (WxDxH) 124 (W) x 101 (D) x 36 (H) mmWeight about 0.5K gTransmitting PartPower Output 25W / 10W / 5WModulation 16KF3E 11KF3EAdjacent Channel Power 70dB 60dBHum & Noise 40dB 36dBSpurious Emission 60dB 60dBAudio Response +1~-3dB ( 0.3 ~3KHz) +1~-3dB ( 0.3 ~3KHz)Audio Distortion 5%Receiving PartSensitivity (12dBm SINDA) 0.25V 0.35VA djacent Channel Selectivity 60dB 60dBIntermodulation 60dB 60dBSpurious response 60dB 60dBAudio Response +1~-3dB ( 0.3 ~3KHz) +1~-3dB ( 0.3 ~3KHz)Audio distortion 5%Audio power output >2W@16