<strong><b></h1>Portable Cell Phone & Wi-Fi Jammer / Blocker (2G/GSM/CDMA/DCS/PCS/PHS/3G/4G LTE 1800 [Band 3]/WiFi)</h1></b></strong> Portable Cell Phone & Wi-Fi Jammer / Blocker (2G/GSM/CDMA/DCS/PCS/PHS/3G/4G LTE 1800 [Band 3]/WiFi)