Effective 4-Channel Cell Phone Signal Jammer with

Feature 4-channel type, effectively shield mobile signalsAdvanced performance and easy installationgood fans inside to keep heat dissipationWorking stably and continuously for a long timecan be used in the vehicle directlySignal jammer with fanSpecification Primary Function: Cell Phone Signal JammerEffective Isolating Diameter: up to 50 metersAvailable System: GPRS,GSM,DCS,CDMA,PDC,TDMA,PHS,PCS,IDEN,W-CDMA,UMTSTX Frequency : 850-894Mhz,925-960Mhz,1805-1990Mhz,2110-2170MhzEnvironment Temperature: -40°C to +55°CRelative Humidity: 30%-95%Total Output Power:10WPower Supply: AC adapter (AC220V-DC12V)Dimensions: 220*140*52 mmWeight: 180 gColor: BlackProduct Notes It only shields the signals from mobile phone and does not affect other electronic devicesno harm to human bodiesSlow start-up circuit can avoid sparkling caused by mechanical switchPackage Contents for Model: CWDD014A 1×Mobile Phone Signal Jammer1×Power Supply1×Car Charger