Call block on cell phone | how to block cell phone robocalls

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    • 2020-03-08
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    High Power 4 Band 60w Cell Phone Signal Jammer For Schools / Police Call block on cell phone | how to block cell phone robocalls

    4 bands ,total 60w police jammer ,Mobile Phone signal Jammer,for prison ,school   Description:   Each band power 0-15W adjustable, total 75W high power, block range up to 100 meters. Nice out looking, can be upgrade into remote monitoring type operate through internet. Taking use of technology of interference superhigh frequency. High effective channel power with rater big   semidiameter of interception Effectively making subsections, just interfering downlink and causing no interception of base station.     Specifications:   Frequency Average out-putting power Channel out-putting power CDMA 851-894MHz 41.8dBm 17.8dBm/30KHz(min) GSM 925-960MHz 41.8dBm 15.4 dBm/30KHz(min) DCS 1805-1880Hz(or PCS 1920-1990MHz) 41.8dBm 9dBm/30KHz(min) 3G 2010-2170MHz 41.8dBm 5dBm/30KHz(min) Power:AC220V-DC27V      Antenna: 5 pcs directional penal antennas Jamming Range(Radius)   20-100m(depend on site BTS signal intensity and environment conditions)   Net Weight:15Kg     Dimension: (L*W*H) 56*33*27cm   Humidity: 30%-95% Running temperature: -40 to +55 Celsius Degree          Working Hours:24 hours.     Competitive Advantage:   1.  with good cooling system, can operate for long time.   2  Control: turn on/off and adjust output power by hand.   3. High effective channel power with rater big semi-diameter of interception.   4. Effectively making subsections, just interfering downlink and causing no interception of             base station.     Applications:     1. Conference room, auditoriums, law court, library, exam room, school, cinema, theater, museum,                 hospital etc. 2. Places where using mobile phones is prohibited such as Service Station, Security Services, Military           Units, Border Patrol and Drug Enforcement, Customs, etc.    

    call block on cell phone

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