Power Portable Signal Jammer for 3G / 2G Cell Phone / WiFi Signal Jammer Description : This 3W High Power Handheld GPS and cell phone jammer can keep you from being tracked by GPS and cell phone signal tracking systems. It is also good for schools, churches, conference rooms, hospitals and any other place where cell phones may cause a distraction or interference. It comes with a built-in rechargeable Li-battery for longer operating times. This device can also be recharged while still in operation. This jammer is designed to block all GPS, GSM, CDMA, WiFi, and DCS system signals. Features: Tx Frequency Output port Output frequency CDMA/GSM 860-970MHz DCS/PHS 1805-1930MHz 3G 2110-2170MHz Wifi / Blue Tooth/ wireless video 2400-2500MHz Jamming Diameter: 5-20M(Depending on the situation of the net) Available system Include analog (AMPS,TACS,NMT) and digital (GPRS,GSM, DCS,CDMA,PDC,TDMA,PHS,PCS,IDEN, Wifi / Blue Tooth/wireless video,UMTS) Single output power : +30dBm /1W Power input : AC110V-240V Power output : DC8V 3000mAh Jamming range :Radius 10- 20 M the Cellular signal must ≤-85dBm in the location The jamming radius still depends on the strength signal in given area Safety regulation : AC Adapter : UL (E190582) , CSA (LR112971 Level 3) Dimension : 110 (L)×62 (W)×30(H)mm not include antenna Weight : 300g Temperature : -40 to +55°C Relative humility : ≤90%(RH) Air pressure : 86 106kPa Working Area: 1.Bank, Conference room, auditoriums, law court, library, exam room, school, cinema, theater, and hospital etc. 2. At places where using mobile phones is prohibited such as government, military, finance, security, police and command center etc. Package includes: 1 x Jammer 1 x AC power adaptor: input 100 250V 50/60Hz 1 x car charger 1 x USB cable