Cell phone jammer teacher - jammer wifi, gps, cell phone

Cell phone jammer teacher,jammer wifi, gps, cell phone,Basic Info Model NO.: CPJ3050 1805-1880MHz: 1920-1990MHz 2110-2170MHz: 690-806 MHz 2400-2483MHz: 2600MHz Lojack,CDMA450,GPS/Glonass: Wireless Camera, Car Remote Control Trademark:...