Cell phone blocker in classroom - mobile phone blocker McKinney

Cell phone blocker in classroom,mobile phone blocker McKinney,Basic Info Model NO.: CPJ2050 3G2100MHz: 2110-2170MHz; 4glte700MHz&4gwimax: 2345-2500MHz or 4glte:2620-2690MHz; Gpsl1: 1570-1580MHz Name: Phone&GPS Jammer (GPS L1, GPS L2, GPS L5) 5....
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Cell phone blocker in classroom - mobile phone blocker McKinney
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