4G Cell Phone Jammer Mobile flight mode is also known as flight mode, it can turn off the phone SIM card signal receiving device, some phones that comes with some phones through some software to implement this feature. This mode is only closed the cell phone signal related functions, the phone can use other functions, such as viewing the phone book, enjoy the phone articles, movies, etc., so called flight mode.
4g cell phone jammer "Flight Mode" principle of operation is turn off the phone's wireless signal, so that the telecommunications system judged battery died on or off, the phone can not automatically search for signals, in theory, is not on the flight operation signal interference. But technology experts say, as long as the phone is open, there will still radio signals, because in the event of special circumstances, can still make international calls 112 and so on.
So, if there is a radio signal, including mobile phones and MP3, laptop computers, electronic games and other electronic devices can cause interference to electronic equipment on the aircraft, especially in the plane took off, down, taxiing and other critical stage. 4g cell phone jammer
"Civil Aviation Flight Standards Regulations" provides that the illegal use of computers and mobile phones and other portable electronic devices in the aircraft will be fined $ 2000, with the flight patterns of various phones are disabled list. 4g cell phone jammer
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