POC - is a PTT (Push-to-talk) call over the cellular network. In other words, it is a technology that uses a broadband cellular network and a broadband WiFi network to build a network and organize com..
Licensed radio communication
Licensed radio communication refers to radio communication that takes place on frequencies whose use requires a special license or permit. Licensed radio communications..
Radio network types
The choice of the type of radio network is determined by the available frequency resource, the number of users and the specifics of their work. The most common is the convention..