TR1 Two-way-radio Transceiver Walkie-talkie

Circuit parameters

Transmit distance:300m(open Ground)
Power supply: DC3.0-6V
Transmitting Current:25mA
Receiving Current:25mA(VoL level0)
150mA(VoL level8)
PCB size:50X34.5mm

Note 

1. This product includes 1 circuit board and 1 antenna, no speaker and  battery.
2. Speaker specification: 8 euros, 0.5W.
3. The antenna needs to be welded by yourself.
4. It is recommended to use channels 3421. If channel 567 is needed, a longer antenna should be replaced by yourself.
The complimentary antenna is only compatible with channel 3421.