Can schools block cell phone signals - High Power Signal Jammer for GSM CDMA DCS PCS 3G Cell Phone - GSM/CDMA/3G Jammer

High Power Signal Jammer for GSM CDMA DCS PCS 3G Cell Phone - GSM/CDMA/3G Jammer

Product Description High Power Signal Jammer for GSM CDMA DCS PCS 3G Cell PhoneMain Features:Jamming Device: Cell PhoneJamming Signal: 3G CDMA GSM DCS PCSJamming Area: 20 Meters in diameterSpecifications:Jamming Frequency:3G : 2110-2170MHZ;CDMA:850-894MHz;GSM: 925-960MHz;DCS: 1805-1880MHz;PCS: 1920-1990MHz;Jamming Area: 20 Meters in diameter depending on signal strength and working environmentMax Output Power: 2.5WPower Supply:AC100-240V  DC12VSize: Antennas off - 112 x 62 x 30(L x W x D)Weight:1KGPackage Included:1pc High Power Signal Jammer for GSM CDMA DCS PCS 3G Cell Phone1pc Power Adapter (100-240V)1pc Car Charger1pc Manual(if not included, please send email to ask for it)Important NoticeThe item is for Legal Use only!

can schools block cell phone signals

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