signal blocker cheap small - Portable 4G LTE and 3G Mobile Phone Blocker (4G LTE: 725- [J-8P-B] - £178.00 :
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CDMA/GSM: 850MHz-960MHz DCS/PCS:1805MHZ-1990MHZ) 3G: 2110MHZ-2170MHZ 4G(LTE): 725-770 MHZ Output Power: 2W Power supply: 50 to 60Hz, 100 to 240V AC Dimension: 104x53x33mm Shielding Radius:...