JA-68A Handheld FM Transceiver Ham Radio UHF System 440~480MHz Interphone  Features:100% brand new and high quality product16 channels selectable and volume adjustableChannel broadcasting function: When changing the channel, an audio voice will announce the selected channel numberMonitor function: When you are receiving and no signals present, the squelch function can mute the speaker, so you can not hear the background noisePower save and low battery warning functionComes with a charge Cradle Specifications:Frequency Range: 440~480MHzChannel Capacity: 16 channelsPower source: Rechargeable Li-on batteryTX Power: ≤5WTX Current: 0.7AFrequency Stability: ±2.5ppmModulation Type: FM(F3E)Frequency Deviation: ≤±5KHzSpurious Emission:< -60DbRX Sensitivity: <0.18µVAudio Output Power:≥400MWDimensions: 10*5*2.8CM (Main body)Weight: 194g (with battery and antenna) Note:Neither external microphone nor earphone is included. Package includes:1* Handheld FM Transceiver1* Rechargeable battery1* Detachable antenna1* Charger1* User manual book