Portable Effective 3-Channel Cell Phone Signal Jam

Portable Effective 3-Channel Cell Phone Signal Jammer (GSM/DCS/3G)Feature n 3-channel type, effectively shield mobile signalsn Advanced performance and easy installationn Working stably, low consumption and continuously for a long timen can be used in the vehicle directlyn GSM, DCS, 3Gn Effective making subsections, just interfering downlink with no interception on the base station Specificationn Primary Function: Cell Phone Signal Jammern Available System: GSM, DCS, 3Gn Antenna type: omni-directionalSMAn TX Frequency : GSM 869-960Mhz, DCS 1805-1920Mhz, 3G 2110-2170Mhzn Effective radius range: 0.5-12M (depending on the mobile service provider's work condition)n Battery: built-in battery (1500mAh)n Power consumption: 0.5W/hn Power Supply: AC adapter (AC220V-DC5V)n Dimensions: 97*45*17mmn Weight: 110 gn Color: BlackProduct Notes n It is better if antenna is used vertical to the groundn It only shields the signals from mobile phone and does not affect other electronic devicesn No harm to human bodiesn Slow start-up circuit design can avoid sparkling caused by mechanical switch Package Contents n 1×Mobile Phone Signal Jammern 1×Power Supplyn 1×Car Chargern 3×Antennan 1×User manual