Mobile phone signal jammer can block those frequency bands

Mobile phone signal jammer can block those frequency bands

At present, there are many kinds of jammers for cell phone on the market at this stage, and the quality is also uneven. Generally speaking, signal jammers can ensure the shielding of 4G/3G/2G signals of the three major operators of Standard Mobile, China Unicom, and China Mobile Broadband. Topsgnaljammer also has a shielding effect on WiFi networks.

Specific frequency bands that block mobile phone signals:

870-880MHzCDMA, CDMA2000

cell phone blocker






2130-2145MHzWCDMA (can be configured according to local frequency band)




First five articles:Can a mobile phone signal jammer block wifi signals?Will mobile phone signal jammers affect mobile phones and popularity?How to assemble a mobile phone signal jammer for the best effect?How to choose a mobile phone jammer that is effective and affordable?How to use a mobile phone signal jammer? Last five articles: How to choose a high-power signal jammer?How to block mobile phone signals, use digital signal jammerHow to block wifi signals around your home, you can choose a mobile phone jammerWhy can digital mobile phone signal jammers interfere with signals?Where are mobile phone signal jammers used?
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