Battery Capacity(mAh) : -Waterproof / Water-Resistant : IP55Maximum Range : 5km-10kmModel Number : AT-778UVIs_Display : NoWalkie Talkie Type : CarOutput Power(w) : 10w-25wMaterial : PlasticStorage Channel : 200Frequency Range : VHF:136-174MHZ UHF:400-480MHZDimensions : 124(W)*163(D)*39(H)mmCertification : CEAnyTone AT-778UV 25W Dual Band 136-174 &400480MHzAmateurRadio200channels Walkie Talkie mini Mobile RadioNote if you need program sfotware please contact me25W15W5W DualBand VHFUHF Mobile Radio Transceiver! Color LCD. 180 degree rotatable TFT LCD display.Frequency Range: VHF:136-174MHz UHF:400-480MHzFeatures CTCSS, DCS, 200channels &moreSingle Call Group Call Selective Call and Emergency call are all availableNarrow Band compliantLighted Keypad mic Builtin Speakers in both Radio &MicBuiltIncoolingFanDCpowercable with fuse holder MoreSpecificationsGeneralFrequency Range VHF136174MHz UHF400-480MHzNumber of Channels:200 channelsChannel Spacing:25K(Wide Band) 20K(Middle Band) 12.5K(Narrow Band)Phase-locked Step:2.5KHz, 5KHz,6.25KHz,8.33KHz,10KHz,12.5KHz,20KHz, 25KHz,30KHz,50KHzOperating Voltage:13.8V DC ± 15%Squelch:Carrier/CTCSS/DCSFrequency Stability:±5ppmOperating Temperature:-20~+60Dimensions(W*H*D)112(W)*30(H)*14.2(L)mmWeight:About 0.51KgReceiver(ETSI EN 300086 standard testing)Sensitivity(12dB Sinad): Wide band: 0.25V Narrow band: 0.35VAdjacent Channel Selectivity: Wide band: 60dB Narrow band:60dBAudio Response Wide band: +1--3dB(0.3-3KHz) Narrow band:+1--3dB(0.3-2.55KHz)Hum&NoiseWideband45dBNarrowband40dBAudio distortion5Audio power output2W8TransmitterETSI EN 300 086 standard testing)Power Output: Wide band:25W/15W/5W Narrow band:25W/15W/5WModulation:Wide band:16KF3E Narrow band:11KF3EAdjacent Channel Power:Wide band:70dB Narrow band:60dBHum&NoiseWideband40dBNarrowband36dBSpurious EmissionWide band60dB Narrow band 60dBAudio Response1-3dB(0.3-3KHz) Narrow band:+1--3dB(0.3-2.55KHz)Audio Distortion:5%