RETEVIS RT83 10W 400-470MHz 1024CHS Waterproof DMR Digital Dual Time Two Way Radio Walkie Talkie, GPS Version(Black)

1. Using TDMA technology, combined with Tier II, AMBE++ vocoder design, compatible with DMR two-way radios such as mototrbo
2. The color display allows users to check the operating status at a glance, including battery power and caller identity, etc.
3. IP67 waterproof and dustproof function, so you can use them anywhere without worrying about the surrounding environment
4. Function: GPS, high/low power optional, digital encryption, emergency alert, VOX, scan, message, etc.
5. Frequency range: 400-470MHz
6. Channel capacity: 1024 channels
7. Channel spacing: 12.5KHz
8. Working voltage: 7.4V
9. Battery capacity: 2800mAh (lithium ion)
10. Antenna impedance: 50 ohms
11. Size: 148x56x39mm

Transmitter:
1. Output power: 10W / 4W
2. Frequency stability: +/-1.0ppm
3. Adjacent channel power: less than or equal to -60dbm
4. Idle time slot power: TDMA: less than or equal to -57dBm
5. FM modulation mode: 12.5KHz: 11K0F3E
6. Modulation deviation: 2.5KHz: @ 12.5KHz
7. Passive time slot power: -57dBm
8. Modulation: BER is less than or equal to 5%
9. Vocoder type: AMBE ++

Receiver:
1. Common channel reflection: greater than or equal to -12dB
2. Adjacent channel selectivity: TIA603C: 65dB, ETSI: 60dB
3. Spurious response: TIA603C: 75dB, ETSI: 70dB
4. Audio power: 1W
5. Audio response: 1db--3db
6. Rated audio distortion: less than or equal to 3%