Features
UHF/VHF dual band TX/RX
FM function (65-108MHz)
PC programmable
Emergency alarm function
Channel name edit
LCD backlight colour optional
VOX function
Channel scan additive
128 channels
DTMF function
2000mAh large capacity battery 
General Specs
Brand & Model TG-K4AT(UV)
Frequency range VFH:136MHz-174MHz. UHF:400MHz-480MHz
Memory channels Up to 128 channels
Frequency stablity  2.5ppm
Freqency step 2.5kHz/6.25kHz/10kHz/12.5kHz/20kHz/25kHz
Antenna impedance 50Ω
Operating temp.  -20℃ to +50℃
Supply voltage Rechargeable Lithium-ion DC7.2V
Battery capacity 2000mAh
Mode of operation  Simplex or semi-duplex
Dimension  115x58x35.5mm(not include antenna)
Transmitter
Output power 5W
Modulation(W/N) 16k F3E/11K F3E
Max.Deviation(W/N) ≤5kHz/<2.5KHz
Spurious Radiation  <7uW
Adjacent Channel Power ≤-65dB≤-60db
Emission Current ≤1.4A
QT/DQT Deviation(W/N) 0.7KHz±0.1kHz 0.4KHz±0.1kHz
Modulation Sensitivity 8-12mV
Receive
Sensitivity  -122dBm(at 12dB SINAD)
Audio Power 1W
Audio Distortion  <10%
Intermodulation (W/N) ≥65dB≥60dB
Adjacent Channel Selectivity(W/N) ≥65dB≥60dB
Spurious Radiation  ≥65dB
Receiving Current  ≤380mA