... Air;3. Modulation mode and Frequency Modulation mode:GFSK,Frequency:433MHZ. Also, 868mhz and 915mhz is possible.4. High anti ... automatically, such as transmission/receiving conversion in the air, control, etc.10. High reliability, small and light Single chip ... improve the reliability of our modules. RF 433/868/915MHz Module | Data Transceiver JZ877 for remote control and industrial,wireless adapter