Demonstration of handheld jamming device function
Cell Phones Handheld Jammer GPS WIFI
This cell phone jammer is suitable for all kinds of examination room, gas stations, churches, courts, libraries, conference centers, theaters, hospitals, military and other places to prohibit the use of mobile phones. Use this 4 bands jammer your can effective jam Signal from cell phone, 2G 3G GPS WiFi RF signal at a radius of 20 meters. Can help you protect your privacy. Many businesses in the United States now use such devices Built-in high-capacity lithium battery 2000mAh, can be used continuously for 1-3 hours. Can be used for 24 hours, not hot With a single frequency band switch, each frequency band can be controlled separately. You can choose to open the corresponding frequency band according to the need, very convenient. Portable design, very small, easy to carry. Suitable for many occasions.