Feature:
. 4-channel type, effectively shield mobile signals

. Advanced performance and easy installation

. good fans inside to keep heat dissipation

. Working stably and continuously for a long time

. can be used in the vehicle directly

. Signal jammer with fan

.  It only shields the signals from mobile phone and does not affect other electronic devices

.  no harm to human bodies

.  Slow start-up circuit can avoid sparkling caused by mechanical switch

Specification:
. Primary Function: Cell Phone Signal Jammer

. Effective Isolating Diameter: up to 40 meters

. Available System: GPRS,GSM,DCS,CDMA,PDC,TDMA,PHS,PCS,IDEN,W-CDMA,UMTS

. TX Frequency :
    CDMA :850mhz-894mhz  
    GSM: 925mhz-960mhz
    DCS:1805mhz-1880mhz 
    PHS: 1900mhz-1990mhz
    3G : 2110mhz-2170

. Environment Temperature: -40℃ to +55℃

. Relative Humidity: 30%-95%

. Total Output Power:10W

. Power Supply: AC adapter (AC220V-DC12V)

. Dimensions: 220*140*52 mm

. Weight: 180 g

. Color: Black
 
 
Package Including:
1 * Jammer

1 * Power Supply

1 * Car Charger

1 * User manual

Most important caution as follow: please strictly abide by and follow relevant state laws and refrain from illegal use it.