Converter
Input: 90-240V 50-60Hz
Output: 5V 900mA
Charger
Input: 5V 900mA
Output: 4.2V 150mA
Radio
Input: 4.2V 150mA
Output: 3.7V 1200mAh

General:
Frequency range: 136-174MHz 400-470MHz
Channels: 16
Channel spacing: 25KHz/12.5KHz
Operating Temperature: -20℃~+60℃
Antenna impedance: 50Ω
Working voltage: 3.7V DC (±20%)
Dimension: 59×31×103mm
Frequency stability: ±2.5ppm
Weight: 190g(including the battery pack)

Transmitter:
Transmitting power: ≤3W
Modulation mode: 16K F3E(width) 8K F3E(narrow)
Clutter&harmonic: ≤-36dBm
FM noise: ≤-40dB
Audio distortion: ≤5%
Adjacent channel power: ≥65dB(width) ≥55dB(narrow)
Modulation limit: ≤5KHz(width) ≤2.5KHz(narrow)

Receiver
Sensitivity(at 12dB SINARD): Better than 0.165μV(width)
Better than 0.2μV(narrow)
Adjacent channel selectivity: ≥60dB(width) ≥50dB(narrow)
Intermodulation rejection: ≥60dB(width) ≥50dB(narrow)
Spurious rejection: ≥60dB(width) ≥50dB(narrow)
Signal to Noise Ratio: ≥45dB(width) ≥40dB(narrow)
Aud