Portable car 4 antenna mobile phone jammer
This is a very small 8341HA-4 mobile cell phone blocker, which can protect various signals. The size is only 62mm * 34 * 120mm, which is very easy to carry and hide. There is an independent frequency band switch, you can turn on or off the interference frequency band as needed. The cigarette charger can be used in cars.
This product is mainly used in automobiles, but also in various inspection rooms, gas stations, churches, courts, libraries, conference centers, theaters, hospitals, military and other places where the use of mobile phones is prohibited.