UAV jammers play an important role in the security of government confidential information

The anti-reconnaissance management of the Guangzhou Municipal Government has been continuously upgraded, this time it is fully equipped with a drone jammer system. According to the current situation of many unmanned aerial vehicles flying everywhere, I also want to solve the problem of security in some controlled areas, which is to let Continue Reading

Can the signal blocker block all signals?

The working principle of mobile communication is to connect with surrounding base stations during communication, then access the core network, and finally find the communication destination. In the whole process, all information is undertaken and transmitted through electromagnetic waves. The electromagnetic wave frequency band used by mobile phones is related Continue Reading

Why Cell Networks Down at the US Capitol Riot

When the mob descended on the US Capitol complex yesterday, did law enforcement block the signals to thwart communications? No, the networks were probably just overwhelmed. Here’s why. Yesterday’s Washington, DC uprising highlighted the limitations of 4G technology and sparked some relatively reasonable conspiracy theories. When mobs stormed the U.S. Continue Reading