Jammermfg is a professional global signal jammer manufacturer online jammer store, mainly selling kinds of Electronic jamming devices that can block Cell phones, Wifi, Bluetooth, GPS, Drones, Radio, UHF and VHF signals.
phone blocker:
www.jammermfg.com/cell-phone-jammers.html
WiFi Bluetooth Jammer:
www.jammermfg.com/wifi-jammer.html