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Cellular Phone Jammer
Non-transmissions of outgoing calls & Non-reception of incoming calls within the effective range; applied for many places which we do not want to be interfered by cellular phone calls such as: opera house, concert hall, seminar, church, examination room, prison, petrol station...etc. Effective coverage (diameter): within 20 meters Effective Frequency range: 930~960MHz, 1800~1880MHz, 1930~1990MHz Power requirement: DC 12V, 450mA Easy Installation 115 x 115 x 30 mm, 150g
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