Which signal frequency bands does the mobile phone signal jammer block?

Which signal frequency bands does the mobile phone signal jammer block?

The cell phone signal jammers currently on the market are all full-band and can effectively block:

signal jammer

CDMA: 867-885 MHz.

GSM: 923-964MHz.

DCS/4G: 1803-1994 MHz.

3G (China Unicom/Telecom): 2109-2175 MHz.

Mobile 3G: 2008-2029MHz.

4G1: 2298-2406 MHz.

4G2: 2547-2650 MHz.

2.4G WIFI wireless: 2400-2485.

5.1G WIFI wireless:5150-5350.

5.8G WIFI wireless:5725-5825.



Nowadays, signal blocker technology is very mature and very easy to use. It has good shielding effect (no dead spots), good heat dissipation, stable performance, and simple installation. It is an installation-free product.

Topsignaljammer is a high-tech enterprise integrating research, development, sales and maintenance. Since its establishment, the company has specialized in the field of communications and has independent development, production and market development capabilities. With advanced technology, good reputation and perfect after-sales service, we have won the trust of users. The products are mainly used in examination rooms, schools, libraries, prisons, courts, conference venues, theaters, churches and other places that require confidentiality to prevent cheating, silence and interference.

First five articles:How mobile phone signal jammer worksHow to choose a mobile phone signal jammer?Where to use cell phone signal jammers?Scope of application of mobile phone jammerThings to note when buying a cell phone signal jammer Last five articles: How to distinguish between good and bad signal blockersCan a cell phone signal jammer block 5.8GViFi signals?What are the advantages of an inbuilt mobile phone signal blocker over an external mobile phone signal blocker?What you don't know about mobile phone blockersNormal use of mobile phone signal jammer in the daily life
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