Block call on cell phone , how to block cell phone robocalls

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    • 2019-08-19
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    High Power Portable GPS and Cell Phone Jammer(CDMA GSM DCS PCS 3G) Block call on cell phone , how to block cell phone robocalls

    Product Description This is a powerful jammer with dual function-one is to anti GPS tracking device and the other is to block mobile phone signal to protect important event.Firstly, this Anti-tracker knocks out GPS logging or tracking system that may be operating on your vehicle. So you are able to enjoy free in-car communication.Secondly, this jammer is able to avoid the leakage of secret information through your mobile phone. Also it is a necessity for law enforcement and private places to interrupt communications by criminals and terrorists, and also for accomplishing a more cultured society.Pick one right now from alljammer at factory direct price. If you want to enjoy more choices, please simply click the jammers and you will be satisfied. Technical Specifications Power: CDMA:25dbm  GSM25dbm  DCS:25dbm or PCS:25dbm GPS:23dbm 3G:23dbmFrequency:         -CDMA(851MHz-894MHz)        -GSM(925MHz-960MHz)        -DCS(1805MHZ-1880MHZ        -PCS(1930MHZ-1990MHZ)         - 3G(2110MHZ-2180MHZ)        -GPS(1500MHZ-1600MHZ)Automatic power switching power supply: 50 / 60 Hz / AC 100 ~ 240V transmitting to DC12VJamming range: Radius 15-20M for GPS, Radius 5-10M for Mobile Phone(depend on cell phone signal)Battery: Ni- ion battery DC4.2V/4800mA/hContinue using time: around 120 minuteSize: L110 x W62 x H30 mmWeight: 300g AccessoriesJammer4*AntennasAC ChargerCar Charger

    block call on cell phone

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