Cellular Phone Jammers

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Detailed Cellular Phone Jammers Description:

What is cellular phone-call blocker (jammer)this is an instrument to stop using cellular phone by shielding the electric-wave from base station. Cellular phone-call blocker is a necessary for accomplishing more cultured society because there is a growing demand which we'd better control the talking by cellular phone in public places such as church, theaters, convention centers, libraries, reading rooms, and classrooms. operating temperature: - 15 degree ~ +50 degree. adjustment for each antenna: Possible to adjust output(coverrange). (min.0 watt - max. Each antenna 3 watt). antenna: External type. Antenna type: input power: DC 5 volt 4a. shielding frequency:850~964 MHz,1.795~2.000 ghz. shielding(block) range output: Within 50m radius. Total 6 watt(eachantenna 3 watt). size:207mm x 112mm x 35mm. Shielding (block) range: Output within 50m radius

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