GDTX6,VHF/UHF wireless transmitter module。
The main features：
1.working Voltage,3V-12V。
2.Using SAW(+-75KHZ)，steady working temperature。
3.High transmiting power，matching receiver module of GD-R2，the range can reach 300-500 meters。
4. High transmiting power，matching receiver module of GD-R5，the range can reach 1500 meters。
GD-R5B VHF/UHF wireless receiver module,using low noise cosmical integrate circuit made in a famous company of European,is a improvement of GD-R5A，mainly minishes power consumption，enhance the ability of anti-jamming，improve decoding wave size,performed many other vendors, including the Taiwanese made RF device；Used in many fields,such as RF remote control for doors,windows,swing gate and garage doors,GSM/GPS car alarm systems and industrial control,telecommunication and all kinds of security systems,etc.