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  2. Will mobile jammers block multiple frequency bands at the same time?

Will mobile jammers block multiple frequency bands at the same time?

Hello everyone! I don’t know much about cell phone jammers, so I want to know how they work-do they block one frequency band at the same time or rarely block several frequency bands?

cell phone jammer

2021-04-10 at 10:30

Answers

When the electronic jamming equipment industry just started to develop, signal jammers were only used to block one frequency band. Later, with the development of useful jamming devices, more and more frequency bands were added to the list, and new cell phone jammer were developed and manufactured. They have very few antennas, so they can block very few signals at a time.

The most popular combination of blocked frequency ranges are frequencies within a band. For example, GSM frequencies like GSM850, GSM900, GSM1800 and GSM1900 are no longer blocked individually, but are blocked together by a signal jammer. Now, more and more different frequencies are added to the interference list, and they create new types of jammers, such as WiFi/Bluetooth/3G/GSM jammers, 4G/LoJack/XM radio jammers, and even multi-frequency For desktop jammers, the interference frequency can be pre-tuned before this purchase.


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