This jammer can only block GSM(2G)...
Car Lock Jammer is a car lock jammer which can stop communications between the vehicles and car remote controls.
The blocking range of this portable remote control jammer is 10-30 meters.
The blocking range of this portable remote control jammer is 300-500 Meters.
Each band can turn ON/OFF without influencing the other bands operation!Good cooling system with heat sink and fan inside!
The best high power portable Remote Control RF Jammer to block all 315Mhz, 433Mhz and 868Mhz Car Remotes!