1. 433MHz free ISM band free of license trial;
2. The remote control distance is more than 30m, at least not less than 0.5m;
3. Hardware error detection, software optimization algorithm, two-way communication to ensure stable and reliable communication;
4. The sending and receiving modules are matched according to the address. The address can be manually set, and the maximum number of addresses is 128;
5. The wireless remote control transmission module is powered by dry battery, which can be used for  at least 6 months;
6. The receiving module is 8421 port mode or independent IO mode, with a maximum of 16 output ports.

Note: the remote control needs to be used with RS232 serial port, please explain in advance before ordering.
1. 433MHz free ISM band free of license trial;
2. The remote control distance is more than 30m, at least not less than 0.5m;
3. Hardware error detection, software optimization algorithm, two-way communication to ensure stable and reliable communication;
4. The sending and receiving modules are matched according to the address. The address can be manually set, and the maximum number of addresses is 128;
5. The wireless remote control transmission module is powered by dry battery, which can be used for at least 6 months;
6. F1520 remote controller is divided into hand-held transmitter f1520-r and receiver f1520-t;
7. The receiving module f1520-r is a serial port RS232 connection mode, which is convenient for users to connect.

1. 433MHz free ISM band free of license trial;
2. The remote control distance is more than 200m, at least not less than 0.5m;
3. Hardware error detection, software optimization algorithm, two-way communication to ensure stable and reliable communication;
4. The wireless remote control transmission module is powered by dry battery, which can be used for at least 6 months;
5. The receiving module f1521 is connected by CAN bus, which is convenient for users to connect.