Radio modems

Nowadays, more and more cable solutions become insufficient  or simply impossible to implement. The answer to the need for alternative methods of communication is radio communication. Radio modems convert the signals TTL/RS-232 and RS-485 for a radio signal and vice versa. With advanced technologies, transmission can take place over a distance of up to 1000 m.
Modemy radiowe

Depending on the frequency of radio modems can be divided into categories: