Mini wifi jammer range - handheld wifi jammer master

Mini wifi jammer range,handheld wifi jammer master,Basic Info Model NO.: CPJ3050 Covering Radius Range: 5-20m 2ggsm850MHz: 851-894MHz 2ggsm900MHz: 925-960MHz 3G2100MHz: 2110-2170MHz 4glte700MHz: 725-770MHz 4glte2600MHz: 2620-2690MHz ...