Cell Phone Jammer For Teachers

Gerling Sabine 2021-09-05

The principle of the mobile phone signal jammer is: within a certain frequency range, the mobile phone and the signal tower are connected by radio waves, and the data and sound transmission is completed with a certain baud rate and modulation method. In view of the above communication principle, the Cell Phone Jammer For Teachers scans from the low-end frequency of the forward channel to the high-end at a certain speed during the working process. This scanning speed can cause garbled influence in the message signal received by the mobile phone, and the mobile phone cannot detect the normal data sent from the signal tower. cell phone jammer There is a small smart phone that a foreign company distributes to employees. As long as you turn on the phone or make a call, the boss can know where you are.

When there is a wedding, the cell phone rings almost every five minutes, said Bumaro Carranza, the deacon of the parish. "This is really a problem, because sometimes, even the bridegroom himself will forget Turn off your mobile phone.” At present, four Roman Catholic churches in the Monterrey area have installed ordinary book-sized jammers unknowingly into the portraits of the Virgin Mary and the statues of the saints. These Cell Phone Jammer For Teachers s cost about $2,000 each, and they can start working through remote control, launch low-frequency radio waves, and "intercept" cell phone signals within a radius of 100 feet (about 30 meters). When someone calls a mobile phone user who is "quarantined", they will receive a prompt that "the user is not in the service area" or "the phone cannot be connected". It is understood that in 1998, the official of Netline, which sold the first mobile phone signal jammer, said that the company sells thousands of jammers every year, and their business scope is all over the world, and there are even dozens of suppliers. The merchant sells this instrument on the Internet.