Public Radio Service

Public Radio Service is a walkie-talkie personal radio service in the mainland of China, Hong Kong and Macau, but excluding Taiwan. It can be used without a license, and no fees are charged for the use of the frequencies. It uses 409 MHz. It is also known as PRS409.
It is similar to the American and Canadian Family Radio Service and PMR446 in the European Union.

Technical information

The PRS radio channels use narrow-band frequency modulation with a maximum deviation of 2.5 kHz. The channels are spaced at 12.5 kHz intervals. They are limited to 500 milliwatts effective radiated power.
PRS radios are not allowed to be used at airports and onboard aircraft. They are not allowed to be connected to the public switched telephone network or cellular network.