无线电收发机

we manufacture many kinds of handheld walky talky,supply durable products andoffer best price, deliver prompt Detailed Description Features: 16 Stored Channels CTCSS\ DCS Function NiMHLi-ion battery Standby for long time(120Hs) English and Chinese voice number prompt PC Programmable Wire Copy Function Low power alertTechnical Specifications:General HLT-5188Frequency range400-430MHz \ 440- 470MHzFrequency CircuitPLL CircuitOperating ModeF3EOperation modeSimplex of co-frequency or alien frequencyOperating temperature range-30 to +60Rated VoltageDC 7.4V±15%Antenna impedance50ΩOperation Distance3-15kmSize101*52*27mm(no including antenna)Weight 204g(including battery)TransmitterRF power output3WFrequency Stability±2.5ppmMaximum Frequency offset≤5KHzRadiation≤-60dBModulation Distortion5%(300Hz-3KHz)Transmitting current≤1100mAReceiverCircuitryDouble Super HeterodyneIntermediate Freq.1st IF38.850MHz2nd IF450KHzReference sensitivity0.15uV(12dB SINDA)Squelch sensitivity0.12uVSquelchprogramableAudio power≥500mWReceiving current100mASquelch waiting current20mAAccessories: One charger One Ni-MH battery One rubber antenna One user's manualif you are interested in our products, pls feel free to contact me anytimetrademanager: qzhltIn addition: 400-430MHz and 440-470MHz is optional, but if you didnt point which band you want when you placed the order, we will deliver 440-470MHz.