Frequency: 66-88MHZ/136-174MHZ/400-490MHZFunction:Output power: 60w/40w/24w/10w.250 channels,every channel can be named with 32 charactors.CTCSS/DCS/DTMF/2Tone,5Tone decodes and encodes.Compander to reduce noise.ANI function(display missed calls)/PTT ID.Single call,group call,selective call and emergency call are all available. Accessories:MircophoneMounting bracketDC power cable with fuse holderHardware kits for bracketQDM-01 Desktop MIC(Option)QHM04 DTMF MIC(Option)  AT-5189 SPECIFICATIONGeneralFrequency RangeHF: 33-49MHz      66-88MHzVHF: 136-174MHz   245-246MHzUHF: 400~490MHzNumber of Channels250 channelsChannel Spacing25KHz(Wide Band)  20 KHz(Middle Band)  12.5K (Narrow band)Phase-locked Step5KHz,6.25KHzOperating Voltage13.8V  DC ±15%SquelchCarrier/CTCSS/DCS/5Tone/2Tone/DTMFFrequency Stability±2.5ppmOperating Temperature-20~+60°C(-4 F~+140 F)Dimensions(WxHxD)160 x155x 40mmWeight1KgReceiver (ETSI EN 300 086 standard testing ) Wide bandNarrow bandSensitivity (12dB Sinad)≤0.2μV≤0.25μVAdjacent ChannelSelectivity≥70dB≥60dBIntermodulation≥65dB≥60dBSpurious Rejection≥70dB≥70dBAudio Response+1~-3dB(0.3~3KHz)+1~-3dB(0.3~2.55KHz)Hum & Noise≥45dB≥40dBAudio distortion≤5%Audio power output≥2W@10%Transmitter (ETSI EN 300 086 standard testing ) Wide bandNarrow bandPower Output60W/25W/10W(VHF)45W/25W/10W(UHF)Modulation16KΦF3E11KΦF3EAdjacent ChannelPower≥70dB≥60dBHum & Noise≥40dB≥36dBSpurious Emission≥60dB≥60dBAudio Response+1~-3dB(0.3~3KHz)+1~-3dB(0.3~2.55KHz)Audio Distortion≤5% familiar products   Pls check  Anytone ,CE&RoHS certificate as below    RoHS