三河マルシェ【MARCHE】三河エリアのコミュニティポータルサイト

Signal jammers are not usually placed in open areas A phone jammer is exactly what it looks like. These are devices designed to block the transmission of the mobile phone or interrupt the reception of the mobile phone.The Professional Phone Jammers were originally developed for law enforcement and the military in order to scramble communications between criminals and terrorists.They work by creating a mobile phone jammer in the frequency range used by the mobile phone, with the direct effect of interrupting the communication between the phone user and the cell phone tower. https://www.jammer-buy.com/gsm-jammer/c-26.html The drones affected so far have been smaller reconnaissance aircraft, which are different from large "predators" and "harvesters", which usually operate in combat environments and can be armed.An U.S. Department of Defense official said: "China has installed jammer equipment at two fortification posts on the Spratly Islands to block communications and radar systems, which is an important step in its gradual militarization." The official also said in Syria Similar uav jammers devices have also been found on the battlefield. Such devices were developed by the Russian military and are very complex, even for certain encrypted signals and anti-jamming devices. https://www.jammer-buy.com/drone-jammer/c-32.html In some factories, managers have so far tried to ban employees from bringing mobile phones to the factory, but with little effect, many companies have begun to purchase new technologies such as WiFi jammers with strong jamming ranges to solve this problem. Signal jammers are a controversial topic, and many people think that this device will affect their freedom of communication. Some high school dormitories have installed cell phone jammers, and the portable jammers are blocked to prevent students from indulging in playing cell phones and surfing the Internet at night. http://www.jammer-buy.com/portable-jammer/c-36.html