AsiaRadio A3 UHF BLACK walkie talkie

The A3 offers more features and better range then the other Two way radios in the same price category. The features include scrambler function, call vibration that many other (Two way radios) do not have.
The A3 radios have a:
Large LCD Display
Simple to operate
51 CTCSS/107 Encode/Decode Normal DCS
                  107 Encode/Decode invert DCS
Voice scrambler available
Auto battery save
Low battery alert
Time-out timer TOT
Call Vibration
Voice operated transmit
Busy channel lockout
Mini USB charging

Features

Frequency: 430-470MHz
Channel capacity: 100
Channel spacing: 12.5/25.0KHz
Operation voltage: 3.7V
Battery capacity: 1200MaH(Li-ion) 1800MaH Extra Charge
Battery life: 5-5-duty cycle: about 11/16hours
Frequency stability: ±2.5 ppm
Operating temperature: -20~ +60℃
Antenna impedance: 50Ω
Dimension:(HxWxD) 90 x 52 x 29mm
Weight with antenna and battery: 162grams

Transmitter:

RF power output: 2.0/1.0W
Modulation type: F3E
Spurious and harmonics: -36dBm<1GHz -30dBm<1GHz
FM noise: 40/45dB
Audio distortion: ≤5﹪
Modulation limiting: ±2.5KHz @ 12.5KHz     ±5KHz @ 25KHz  
Audio response: +1to-3dB

Receiver:

Sensitivity: ≤0.20-0.03uV
Adjacent channel selectivity: 60/65dB
Intermodulation: 65dB
Spurious response rejection: 65dB
S/N: 40/45dB
Audio power output: 700mW
Audio distortion: ≤5﹪