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    Product Name: Cell Phone Signal Jammer RF Power: 12 W Power Supply: AC 160-240V And DC 5V 12A Dimension: 350x110x37 Mm Net Weight: 2kg Jamming Range: 1-25m 2.4G 4G Mobile Phone Signal Jamming , Cell Phone Signal Jammer   Product Instructions:        This kind of mobile phone signal shielding device is our factory adopts advanced foreign technology, in view of the development of communication system, according to the actual circumstance of foreign mobile communication carefully developed high-tech products, it can in the radius of 1 to 25 meters (about 10-250 square meters, can be adjusted according to the required place shielding range), internal partition GSM/CDMA/AMPS/DCS/PHS / 3 g (WCDMA, CDMA2000 and td-scdma) and 4 g mobile phone signals,2.4 G wireless signal, the phone can't play and answer and cannot send or receive text messages, but it does not interfere with other electronic equipment, so as to guarantee the security of the required places, mobile phone left partition scope, can return to normal use, and without any damage to the human body.   Product Features:   Effective shielding CDMA (China telecom), GSM (China mobile, China unicom), td-scdma (netcom big informed), DCS (1800 MHZ), PCS (1900 MHZ) and PHS telecom (PHS), 4 g phones and 3 g mobile phone signals, all communication signals. Thin shell, the surface can be according to the customer need to stick a card or silk screen logo (free of charge to provide printing services) . 12 w transmission power. Adjustable effective shielding 1 to 25 meters (debug) before delivery.   Product Applications:   It can be applied at meeting rooms, conference rooms, museums, galleries, theaters, concert halls, churches, temples, restaurants, classrooms, training centers, factories, banks, trains, bus and more For some locations of special purpose such as hospitals, gas stations and more, please do field test first to make sure no interference happened to the normal operation of their equipment and instrument   Technical Specifications:   Technical Specifications No. Technical Standard Technical Parameter 1 CDMA 870-880MHz 2 DCS/PHS 1800-1920MHz 3 GSM 925-965MHz 4 TD-SCDMA 2005-2035MHz 5 WCDMA/CDMA2000 2110-2175MHz 6 2.4G 2400-2500MHz 7 4G1 2300-2390MHz 8 4G2 2550-2660MHz 9 Power Supply Input AC160-240V Output DC 5V 12A 10 Dimension 350 x 110 x 37 mm 11 Weight About 2kg 12 Jamming Range 1-25meters (about 10-250 square meters, can be adjusted according to the required place shielding range) 13 Action Type All mobie Phones(2G+3G+4G)2.4G wifi signal, etc. 14 Temperature ‘-10 ~ 50℃ 15 Relative Humidity ≤90% (RH) 16 atmospheric pressure 86-106kPa 17 Positon Both Indoor and Outdoor   Installation instructions:        This product is available screws directly fixed on a wall or ceiling surface temperature of the product can be up to 50 ℃. So stay away from low thermal objects. Installation height: 1.0-2.0m best installation direction: do not put the antenna of the cellphone signal shield against the direction of the cell phone base station, otherwise it will affect the use effect. 1) antenna connection antenna fault prevention design, only when correct can be inserted and installed.(note: if you do not install the antenna will open the power switch, may damage the unit). 2) Check the host power switch power supply connections, confirm the power switch is in the closed position, insert the power transformer output plug into the host left in the middle of the power socket, power supply, transformer input plug connection with AC220V power. Application Place    

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