Block Calls To Cell Phone From Telemarketers Is Civilian
When the mobile phone is blocked, it is shown as searching the network, no signal, and no service system. In fact, the appearance of Block Calls To Cell Phone From Telemarketers is not new. In 1999, the mobile phone signal jammer was produced, which is mainly used for the safety protection of oil depots, military, security agencies and other important places in the country. With the increasing popularity of mobile phone use and the increase of uncivilized mobile phone calls, some arguments for protecting the public civilized environment have been repeatedly emphasized. It is precisely based on this market demand that mobile phone jammers have begun to be used for civilian use.
In recent years, mobile phone jammers have been installed in some crowded public places to eliminate the interference of mobile phones to the environment. The move was endorsed by some, but others saw it as a violation of personal communication rights. The college entrance examination is an important part of the city. In order to prevent cheating in the college entrance examination, we will introduce Block Calls To Cell Phone From Telemarketers in the college entrance examination room. Cell phone signal jammers can interfere with 3G cell phone signals. In civil service exams, cheating was reprinted in newspapers. Reports of 3G mobile phone scams are also common. This means you are using cell phone jammer for a 3G phone. Some cell phone jammers are increasing their 4G signal jamming capabilities. Support local examinations such as college entrance examination management and college entrance examination cheating.