Which signal frequency bands does the mobile phone signal jammer block?
The cell phone jammers currently on the market are all full-band and can effectively block the following frequencies:
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
5G1:3400-3600 5G2:4800-4900
Nowadays, signal jammer for cell phone 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.com is an 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. Good reputation and perfect after-sales service 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.
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