RETEVIS RT55 5W 156.000-161.450MHz+156.050-163.425MHz Waterproof Two Way Radio Handheld Walkie Talkie(Black)

1. Waterproof protection: IP67
2. Floating on water: the transceiver can float on water after falling into the water
3. Vibration drainage function
4. Double monitoring/triple monitoring
5. Functions: monitoring, volume mute, automatic backlight, lock, scan, energy saving, adjustable squelch, call channel programming, etc.
6. Frequency range: TX: 156.000-161.450MHz, RX: 156.050-163.425MHz
7. Transmission type: FM (16K0G3E)
8. Frequency stability: +/-10PPM
9. Battery pack: 1200mAh lithium ion battery (DC7.4V)
10. Operating temperature range: -20 to 55 degrees Celsius
11. Antenna impedance: 50 ohms
12. Size: 140x65x41mm
13. Weight: 288g

Transmitter:
1. Output power: 5W / 1W
2. Frequency deviation: +/-5kHz
3. Adjacent channel power: greater than or equal to 70dB
4. Audio harmonic distortion: less than or equal to 10%

Receiver:
1. Hum and noise: greater than or equal to 40dB
2. Spurious response: greater than or equal to 70dB
3. Intermodulation suppression: greater than or equal to 68dB
4. Audio output power: greater than or equal to 0.5W (10%)