TGK-520 detail description  Easy to control, good hand feel  16 channels  3W out power  Adjust high/low power  VOX function  Chinese and English voice prompt  Low voltage prompt function  Automatic power saving, longer working time  QT/DQT function  Cloning with data line PC programming Timeout timer Details view Specification                 Detail Frequency range UHF: 400-470Mhz (RX) Talk range 3-5km Memory channel 16 Working Voltage DC7.4V Battery 1400mAh Frequency stability ±2.5*10-6 Weight 235g (including battery, antenna) Antenna impedance 50Ω Dimension 51mm*98mm*28mm Transmitter Output power  3W Emission current  ≤1.5A (5W) Modulation sensitivity                              <20mV Modulation distortion                                <5% Occupy broadband ≤16KHz Maximum frequency deviation   (W/N )        ≤5KHz Remanent radiation                                  ≤7.5μ Adjouent channel power                                  -60dB Preemphasis character                              ±3dB(per fold) Receiver RF sensitivity                                            ≥0.18uV Audio power                                              < 0.5w Audio distortion                                        <7% Adjacent channel selectivity                    ≥60dB Intermodulation (wide/narrow)                    ≥60dB Blocking                                                    ≥85dB Spurious rejection                                      ≥60dB Total Channel Inhibition ≥-8 dB receive current ≤200mA Squelch System Standby Current 20mA   Name:Li battery Item No.:TGK-520 Capacity:1400mAh   Name:Charger Item No.:CD-01 Charging current:300mAh   Name:Charger accessory Item No.:KTC-01 Input:AC 220V 50-60HZ Output:AC 14.5V 50-60HZ   Name:Belt clip Item No.:TGK-520 Material:Elastic medium   Name:Antenna Item No.:TGK-520(1)TX13617400(136-174MHZ) Item No.:TGK-520(2)TX40074000(400-470MHZ)   Name:Rope Item No.:TGK-520GS