How Cell Phone Signal Blocker Work?
Cell phones are basically handheld two-way radios. And like any radio, the signal can be disrupted, or jammed. In other words, to jammer a cell phone, all you need is a device that broadcasts on the correct frequencies what we call Cell Phone Signal Blocker. A Cell Phone Signal Blocker is an instrument used to prevent cellular phones from receiving signals from base stations. When used, the Cell Phone Signal Blocker effectively disables cellular phones. Although different cellular systems process signals differently, all cell-phone networks use radio signals that can be interrupted. Cell Phone Signal Blocker can broadcast on any frequency and are effective against AMPS, CDMA, TDMA, GSM, PCS, DCS, iDEN and Nextel systems.
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