Cell phone jammer for schools - can law enforcement use cell phone jammers

MINI Portable GSM/3G Signal jammer 5M,Portable 2G/3G/4G Jammer

Specifications Specifications: Device Blocked: Mobile Phones Signal Blocked: GSM,CDMA,DCS,PHS,3G Blocked Area: 1-5 Meters Depending on signal strength and working environment Jamming Frequency: CDMA:850-894 MHz GSM: 925-960 MHz DCS:1805-1880 MHz PHS/CDMA1900: 1900-1930/1930-1980 MHz 3G: 2110-2170 MHz    Output Power: 0.5W Power supply: 50 / 60 Hz / AC 100 ~ 240V Typical Battery Life: 2Hours Battery: Built in Rechargeable Li-ion battery Weight: 0.3KG Dimension: Antennas off -95*45*18mm (L x W x D) Package Included: 1pc Mini Broad Spectrum Cell Phone Signal Jammer 5M 1pc Power Adapter (100-240V) 1pc Car Charger

cell phone jammer for schools

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