Press-to-Talk over Cellular, the full name of PoC. By using the the mobile phone network like 4G to make and receive calls. Our RT51 Poc radio with the same technique of that. By inserting the US carriers …
PoC is an abbreviation of Push-to-Talk Over Cellular.
It means that you can communicate with your partner in one system by 4G/LTE network.
It is a technique of using the mobile phone network , to make calls that conduct like conventional walkie talkie, with instant access and one to many calls,
one to one call, many to many call, use of the advantage on the world-wide coverage of the cellular phone networks, GSM, 3G, 4G etc.