<strong><b></h1>Portable Cell Phone Jammer / Blocker (2G/CDMA850/GSM900/DCS1800/PCS1900, PHS, 3G/UMTS/WCDMA 850/900/1700/1800/1900/2100, 4G/LTE 800/1700/1800/1900/2100/2600 Band 1/2/3/4/7/20)</h1></b></strong> Portable Cell Phone Jammer / Blocker (2G/CDMA850/GSM900/DCS1800/PCS1900, PHS, 3G/UMTS/WCDMA 850/900/1700/1800/1900/2100, 4G/LTE 800/1700/1800/1900/2100/2600 Band 1/2/3/4/7/20)