frequency: VHF ( 136-174 MHz) & UHF ( 400-470 MHz) + Channel Radio
Out Power: 5 Watt
Really good modulation is very clear.

Specification
GENERAL
VHF Frequency Range: 135 - 174MHz
128 Channel Capacity
2.5 KHz Channel Spacing
Operating Voltage 7.4 V
Battery 1500mAh ( Li-ion)
Battery Life ( 5-5-90 Duty Cycle) 1200mAh Li-ion Battery Around 10 hours
Frequency Stabillity ± 2.5ppm
Operating Temperature -20 C ~ + 50 C
Dimension ( WxHxD) ( with battery, without antenna) 129mmx58.5mmx36.5mm
Weight ( with antenna & battery) 260g

Transmitter
RF Power Output 5W/ 1.5W ( VHF)
F3E Modulation
Spurious and harmonics d-21dBm
e 40dB FM Noise
d 3% Audio Distirtion

Receiver
d-120dBm Sensitivity
Selectivity e 65dBm
Intermodulation e 60dBm
Blocking or desensitization e 85dBm
S / N e 40dBm
Rated Audio Power Output 500mW
Rated Audio Distortion e 5%