In the days of the original iPhone, there was a simple choice to be made when buying a new smartphone - would you buy an iPhone or would you buy a model made by the competition, say an HTC or a Samsung device?
2.414GHz, 2.432GHz, 2.450GHz, 2.468GHz, four-channel receiving strengthens flexibility and reliability.
Transmitter and receiver are used in pairs at the same freqeuncy and one-to-multi use at the same frequency is also permissible (one transmitter transmits signals and several receive at the same frequency, the receipt is synchronous and accurate, equivalent to wireless video distributor), and multi-to-multi use is permissible (each transmitter holds one channel, supporting video and audio transmission of maximum four channels without disturbance).
Video transmission and stereo audio transmission of NTSC or PAL system.
A/V input port of receiver can be connected with the equipment with audio and video output, for example, video tape recorder.
2.4G~2.4835GHz belongs to S frequency section, which is also called as ISM (industry science medical).