What frequency bands do cell phone signal jammers block?
Currently, cell phone jammers on the market are all full-band, effectively blocking the following frequencies:
CDMA: 867-885 MHz.
GSM: 923-964 MHz.
DCS/4G: 1803-1994 MHz.
3G (China Unicom/China Telecom): 2109-2175 MHz.
China Mobile 3G: 2008-2029 MHz.
4G1: 2298-2406 MHz.
4G2: 2547-2650 MHz.
2.4G Wi-Fi: 2400-2485 MHz.
5.1G Wi-Fi: 5150-5350 MHz.
5.8G Wi-Fi: 5725-5825 MHz.
5G1: 3400-3600 MHz. 5G2: 4800-4900
Cell phone signal jammer technology is now highly mature and extremely effective. It offers excellent shielding (no blind spots), excellent heat dissipation, stable performance, and simple installation—no installation required.
TopSignalJammer is a high-tech enterprise integrating research, development, sales, and maintenance. Since its founding, the company has been dedicated to the communications field, possessing independent development, production, and market development capabilities. We have earned the trust of our customers with advanced technology, a strong reputation, and comprehensive after-sales service. Our products are primarily used in exam rooms, schools, libraries, prisons, courtrooms, conference halls, theaters, churches, and other locations where confidentiality, anti-cheating measures, and quiet environments are crucial.
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