With this HIGH POWER Portable Signal Jammer, you get a TRUE working radius of up to 25 meters, meaning this portable signal jammer can be used to cover a large area without needing to be centrally located. It comes with a built-in rechargable Li-battery for 2-3 hours signal jammering. This jammer product can blocking all signal of GSM, CDMA, DCS, GPS systems.
Upon activating (turning on) the signal jammer, all the nearby phones will indicate "NO NETWORK", so you can conduct your company presentation, meeting, dinner, worship service, legal proceedings, or other important activities without being disturbed.With this cell phone blocker , you will be very easy to keep your meeting room and immediate surround annoyance free

Wow! I have heard a good news regarding the cell phone blocker. It seems to be that most of the people use this blocker. Because there is a growing demand for silence at places like hospital, libraries and Movie Theaters etc.

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There are many people who know about the hacking of the cell phone . This is very important topic that people block your cell phone . There are many security cameras for saving these blocker and caught them security member.
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