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Is the jammer blocking one frequency or multiple frequency bands at the same time?

Dojammer 2021-11-08

Hello everyone! I don't know much about jammers, so I want to know how they work-do they block only one frequency band or block multiple frequency bands at the same time?

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

The most popular combination of blocking frequency ranges is a combination of frequency bands, such as GSM frequencies, such as GSM850, GSM900, GSM1800 and GSM1900 are no longer blocked individually, but are blocked together by signal jammers. However, more and more frequencies are added to the interference list and new types of jammers are created, such as WiFi/Bluetooth/3G/GSM jammers, 4G/LoJack/XM radio jammers and even multi-frequency desktop jammers. purchase.

As you can see, modern technology is not stagnating, but constantly improving, providing us with awesome new features.