Technical indicators:
Working power supply:
1. DC 2.8-4.5V; Power consumption: 380mW (speaking state)
2. Audio channel: Communication mode: UHF wireless mode (unidirectional)
3. Frequency range: 748-758MHz
4. Modulation method: FM
5. Maximum modulation amount: 50K
6. Radiated power: +12dBm
7. Frequency deviation: < 15pm.
8. Base size (length/width/height): 15*11.5*7cm microphone length: 43CM
