Features:
Wireless transmitter
1) Frequency range: 2.4GHz
2) Frequency channels: 4
3) Signal space: 18MHz
4) Modulation type: FM
5) Input voltage: 330mV@1KHz Audio
6) Modulation degree: 30+/-4KHz@1KHz Audio 330mV Level
7) Modulation distortion: <0.2+/-0.2%@1KHz Audio 330mV Level
8) S/N ratio: 53+/-3 dB@1KHz Audio 1V Level
9) Maximum modulation degree: 40+/-5 KHz@1KHz Audio 1V Level
10) Modulation range: 50Hz~20KHz+/-3 dB
11) Transmission power: 50mW
12) Antenna output resistance: 75 Ohm
13) Operating voltage: 5V DC
14) Operating current: 50+/-5mA@5V DC
15) Operating temperature: -20 to 70oC
16) Operating humidity: 45%RH to 85%RH

Wireless receiver
1) Frequency range: 2.4GHz
2) Voltage: 12V
3) Current consumption: 350mA
4) Video output: 1Vp/p
5) S/N ratio: 38dB
6) Distance: 10m(in the building), 50m(in the open air)