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  • Block cell phone signal in car - cell phone blocker silver spring
    Block cell phone signal in car - cell phone blocker silver spring
    Block cell phone signal in car - cell phone blocker silver spring

    With the built-in antenna design makes it looks better and do not easy to be found. It is very light and portable as well as easy to install.  You will like it , i am sure! Advantages : 1.Built-in antenna design                         2. Good cooling system with fans design and efficient operation                         3. Light in heavy with a plastic case .Easy to install                         4. Also with battery or car adaptor optional                         5.Top Hidden . Not like a jammer.                         6.Car adaptor available RF Frequency: 850-894Mhz,925-960Mhz,1805-1990Mhz,2110-2170Mhz ,GPS band also available ( US or EURO standard optional) baterry Working Time :80minuters Packing WEIGHT:3KG/PCS Shielding Radius: Up to 30meters(by your background signal strength) Total Output power:12W Power supply: AC adapter (AC220V-DC12V available) Dimension: 25(L)*17(H)*7.1(W)CM

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