Mainly used for TV station broadcasting and other purposes. Since the invisible earphone receiver is only soy-sized and can be placed in the ear canal, it is difficult to find such a product if it is used for exam cheating. Cheating grams specifically detect the electromagnetic waves emitted by the invisible headphone transmitter, and can be accurately positioned, so that the wireless invisible earphones are no longer invisible, and fundamentally eliminate the illegal use of the wireless invisible earphones in the examination room.

 

Mainly applicable to place editing

1. Examination room

2. Confidential places such as business negotiations and contract signing

3. Hotel, hotel, pool locker, etc.

4. Military facilities and government agencies, etc.

5, cinema art museum, etc. to prevent sneak shots

编辑Biānjí