This device can convert radio frequency 315 into RS485 signal, which is stable and reliable. It can replace the wireless remote control such as curtains, curtains, garage doors and so on by matching the code with the remote control. It can wirelessly control curtains, curtains, garage doors, etc., and is compatible with coding chips ends in 2260, 2262, 2240, 2264, 1527, 1520, SMC918, FP527.