Cell phone jammer blocks signal transmission
A mobile phone jammer is an electronic device that can block the signal transmission between the mobile phone and the base station. Using the same frequency as a mobile phone, a mobile phone jammer will strongly interfere with the communication between the caller and the receiver. It effectively prevents signal transmission from UMTS, 3G, CDMA, GSM and PHS. Mobile phones operate on different frequency bands in different countries/regions. For Germans, the 1900 MHz frequency band is the main frequency band, especially for urban areas. 850 MHz is used as a backup in rural areas. The US uses the 850 and 1900 MHz frequency bands, depending on the region. Europeans use the GSM 900 and 1800 frequency bands as standard frequency bands. The Middle East, Africa, Asia and Oceania also use these frequency bands. In Russia and some other countries, local operators have licenses for the 450 MHz frequency to provide CDMA coverage.
We know that every cell phone jammer device has a different restricted area, which has already been mentioned. Generally, the higher the power, the longer the stowage radius. The higher the power, the bigger the jammer, and they also need a cooling system. This is why desktop cell phone jammers usually have a greater range of interference than portable jammers. Therefore, before buying a jammer, you need to determine the type of mobile phone jammer required and the required interference range. Both should be considered before you can get what you want.
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