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Tin Foil Cell Phone Blocker

Delano Cindy 2022-02-07

In fact, the signal emitted by the mobile phone WiFi hotspot is the same as the WiFi signal frequency band and the Bluetooth frequency band emitted by the router. Wi-Fi technology is defined by IEEE 802.11b/g/n, and its operating frequency is 2.4GHz, where the 2.4GHz spectrum is divided into 14 overlapping and interleaved 20MHz wireless carrier channels with a center frequency of 5MHz respectively. 802.11a/n has more channels in the 5.0ghz spectrum. 802.11n also uses channel welding technology to combine two 20MHz carrier channels into a single 40MHz channel for increased throughput. Tin Foil Cell Phone Blocker By transmitting signals in the above frequency bands, communication devices such as mobile phones within a certain range can receive the signals transmitted by cell phone jammer , so as to achieve the purpose of shielding signals.

Mobile phones are popular, and common frequency bands and commonly used frequency bands include GSM, CDMA, DCS, PCS, etc. And now, the development of high technology and 3G signal is also on the market. In this case, jammers can help a lot of people. And this frequency band is widely used all over the world. Many people are negatively affected by cell phones because these communication bands allow people from all over the world to easily communicate with each other. With a product that blocks all GPS phones with one click, anyone can easily block radio waves, whether it's a commercial vehicle or the type of GPS installed in a company car. Tin Foil Cell Phone Blocker Although small and lightweight, it has a wide range of effective radio wave blocking and is very convenient to carry. The body is equipped with a cooling fan.