How to jam wifi signals - how to make bluetooth jammer

How to jam wifi signals,how to make bluetooth jammer,Product Description China Wholesale Super 3G 4G WIFI GSM DCS Adjustable Signal Jammer - 4G 800 4G 2600 3G 2100 GSM 900 DCS 1800 WIFI 2.4G (Europe Version) ,you must be attracted by the title. YES!...