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    Product Description Mini Portable GSM CDMA DCS PHS 3G TD-SCDMA Cell Phone Signal protector With Coverage 5~10mJust by using this signal jammer the device signals can be easily blocked within its jamming range. Signal jammers are widely used in different places, such as school, university, examination room, gas station, church, court, library, meeting room, government, theater, military area and so on.With the help of signal jammers, the cheating problems are solved, which ensures the equity in exams. When they are applied in church, court, library, meeting room, theater, they can prevent device from receiving signals, which ensures absolutly silence.High sensitivity, scope adjustable, large frequency range.Features:* Brand new and quality cell phone signal jammer* Creates enough interference to block all cell phone signals around you (GSM / CDMA 850MHz~970MHz / DCS/PHS 1805MHz~1930MHz / 3G 2110-2170 MHz / TD-SCDMA 2005-2030 MHz)* Fully metal construction – creates a solid and techie feel* Creates a 5~ 10m radius of cell phone signal block out area* Built-in 700mAh Li-battery* Low power consumption and will do no harm to human body and environment-friendly* Light weight, Easy to carry* Specification:* Output port: CDMA/GSM; Output frequency: 850~970MHZ* Output port: DCS/PHS; Output frequency: 1805~1930MHZ* Output port: 3G; Output frequency:2110~2170MHZ* Output port: TD-SCDMA; Output frequency:2005~2030MHZ* Product size: 10×5.2×1.3cm* Weight: 74gEnglish User ManualNo harm to human body or other electronic devicesThe jamming distances mentioned on website are for customer’s reference only. The actual jamming distance varied from the signal strength and the use location and if full charges, etc.Please note:Don’t put the jammer in high voltage and high magnetism locations.Do not use the jammer when it is charging, or it will burn the jammer as it has no built-in fan. If because of this factor due to the broken of the jammer, the customer will lose the authority of free repairation

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