315m发射芯片单片机解码程序，比例解码，具有自适应学习能力，可以解码门磁报警器，解码发射器的频段为 338hz<f<460.8k hz-315m launch chip microcontroller decoding process, the proportion of decoding, adaptive capacity, you can decode the door sensor alarm, decoder for the 338hz band transmitter