Public Radio Service
Public Radio Service is a walkie-talkie personal radio service in the People's Republic of China. It can be used without a license. It uses 409 MHz. It is also known as PRS409.
It is similar to the American Family Radio Service and PMR446 in the European Union.The PRS radios 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.List of PRS409 channels