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Where We Widely Use the Cell Phone Signal Jammer

Posted on 19th Jul 2023 @ 2:01 PM

Cell Phone Signal Jammer is mainly used in various testing sites, schools, gas stations, churches, courts, libraries, conference centers (rooms), theaters, hospitals, government, finance, prisons, public security, military and other places where the use of cell phones is prohibited. Why so many occasions install the cell phone signal jammer device? Want to know its charming functions, following will offer you different kinds of choices.

It is understood that the market for mobile phone signal jammers can be limited to mobile phone signals within 500 million meters of the transmitter. Shield radius adjustable, covering an area of more than 30 square meters. Cell phone signal shielding can only block cell phone signals without affecting other electronic devices. Save Electricity, power is 12W ーー480W. When the phone works, it is in a certain frequency range. The mobile phone and the base station are connected by radio wave, and the data and sound are transmitted by certain Baud rate and modulation. The common signal shielding in the market is 869 ~ 894 mhz, 925 ~ 960 mhz, 1805 ~ 1880 MHZ and 1900 ~ 1990 MHZ respectively. The frequency bands are CDMA800, GSM900, DCS1800 and PCS1900. Then where we can buy high quality cell phone signal jammer product? Thanks to the online shopping, we can buy one mobile phone signal jammer from one hot online store www.jammerfromchina.com. With the introduction of the third generation of mobile phone signals, the working frequency bands of the mobile phone signal jammers in the market have been upgraded from the original four bands to five bands.

Look at above picture. The 300W High Power VHF UHF NMT CDMA Single Jammer Waterproof & shockproof design, it is specially customized to accommodate a fully integrated broad band jamming system which provides the ultimate solution for Military and Police convoys or VIP protection. This is what you are looking for.