Puxing PX-728 Transceiver VHF 136-174mhz

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PUXING PX728 VHF 136-174mhz Ham radio   1. Frequency range: 136-174Mhz 2. Side button 2 and side button 3 can be programmable  by PC software to these functions: Monitor, squencl on/off, scan on/off,  scan temperary delete, high/low power, talk about, Reverse frequency, VOX on/off and scrambler on/off 3. Those functions can be programmable through PC software Tx total time(s), squelch, voice annunciation, VOX gain level, band width, Tx power rank, beep and Scrambler 4. VHF 5W 4W output power 5. 16 memory channels 6. Built-in 50 groups of CTCSS and 104 groups of DCS 7. Wide (25kHz) and narrow (12.5kHz) are available 8. Comes with 1600mAh Lithium-ion battery 9. Built-in VOX 10 Scan function 11. Programmed by PC 12. Bell ring when receiving signal 13. Adjustable power high/low 14. Adjustable squelch level (0 to 9) 15. Busy channel lockout 16. Reverse frequency function 17. DTMF PTT ID(encoder only) 18. re-programming password protection TECHNICAL: Frequency Range 136―174MHz Working Temperate －20℃―＋50℃ Operating Voltage DC 7.2V Operate Mode Simplex or Semi-duplex Dimension 100mm×55mm×32mm (Not included Antenna) Weight 230g (Including battery) Antenna impedance 50Ω Transmitter Frequency Stability ±2.5PPM Output Power ≦5W Max Frequency Deviation ≦5KHz Audio Distortion ≦3% Modulation Character +3dB—-3dB  Adjacent Channel Power ≥65dB Spurious Radiation ≤7.5UW(-36db for CE) Occupied Bandwidth ≤16KHz Receiver RF Sensitivity ＜0.2UV(12DB SINAD) Audio Distortion  ≦3% Audio Response +2dB—-10dB  Adjacent Channel Selectivity ≥60dB Intermodulation Rejection ≥60dB Blocking  ≥80dB