High performance price ratio, long range vhf portable walkie talkies BJ-6216/3107 is a classic professional UHF/VHF portable two-way radio. performance is very good and it's price is competitive and attractive. Frequency range: 136 174MHz 400 470MHz 16 channels power output: UHF 4W/VHF 5W operating temperate: -20°C +50°C operating voltage: DC 7.2V ON SALES PROMOTION professionalmodel, no display, no keypad, with common functions: push to talk function, monitor function voice prompt time out timer battery save function low battery warning function built-in QT and DQT SpecificationsGeneral SpecificationsFrequency RangeVHF: 136-174MHz /230-260MHz or UHF:350-370MHz/370-390MHz /400-430MHz 430-450MHz/ 440-480MHzMemory Channels16Channel Spacing25/12.5KHzWorking ModeCo-channel or Dis-channel SimplexVoltageDC 7.2VBattery1500mAh(Ni-MH)(Standard)Average battery life (at 5/5/90 duty cycle with battery saver )About 15 hrsFrequency Stability±2.5ppmOperating Temperature-20°C/+50°CAntenna Impedance50ΩDimensions (H×W×D)(mm) (W/Battery,W/o Antenna)125mm×60mm×35mmWeightabout 325gTransmitterPower OutputVHF: 5W/UHF: 4WMaximum Deviation≤5KHzAudio Distortion≤3%Modulation Characteristic+3dB—-3dBAdjacent Channel Power≥65dBSpurious Radiation≤7.5μWOccupied Bandwidth≤16KHzS/N40/34dBReceiverRF Sensitivity<0.2μVAudio Distortion≤3%Audio Response+2dB—-10dBAdjacent Channel Selectivity≥60dBIntermodulation Rejection≥60dBSpurious Response≥60dBBlock Characteristic≥85dBS/N40/34dBBJ-6216 BJ-3107