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Radio Frequency RF Jammer, Cell Phone Signal Shield

Tayx produce 2 different model of cell phone radio frequency RF jammers, one is portable cell phone signal shield, another one is desktop high power cell phone signal shield.  Both models are universal design, could block worldwide cell phone signals, including GSM850MHz, GSM900MHz, GSM1800MHz, GSM1900MHz and new 3G 2110MHz.  The cell phone RF jammer could produce and transmits low power radio signals to cut off communications between cell phones and cell phone base stations.

The portable cell phone signal shield featured by compact design and slim size, easy to hide in briefcase, pocket, handbag etc.  The desktop high power cell phone signal shield could cover 50 meters radius, ideal for use in classroom, church, gas station etc.