The new generation of wireless networks will bring a new feel to wireless local area networks without the need for wiring and relative freedom. Demand determines the development of the market. IT has such a rapid growth momentum without any restrictions. It is no longer a dream to access the Internet anytime and anywhere, including WiFi, which is a technology or product that IT rarely sees. Played a vital role. It is fully compatible with the IEEE802.11 b subset of the 802.11 standard. It uses the open 2.4 GHz direct sequence spread spectrum with a maximum data transmission rate of 11 Mbps. It can also adjust the bandwidth of 5.5 Mbps, 2 Mbps and 1 Mbps according to the signal strength. It can reach the maximum outdoor distance of 300 meters without linear transmission. We know that public wifi has a hidden security problem. Public wifi is not only insecure, but your home wifi may be hacked to protect your wifi security or take some measures.
For public wifi security, we should try not to connect when necessary to better protect our information security. If you think your information is not important, you can contact, but I suggest you not. If you want to connect to public wifi, you can use a wifi jammer. Public Wi-Fi has been investigated based on the security issues. The vast majority of public Wi-Fi is insecure. Only a few public Wi-Fi are absolutely safe. Therefore, when we use public Wi-Fi, we must consider security issues. Whether the wifi signal jammer can protect the safety of public wifi is completely possible to protect the public wifi. Compared with wifi, the security of public wifi is relatively high. If the station is more complicated, such as the flow of people, it is best not to use it. If it is a restaurant such as a library or wifi, or it can be connected , As the case may be. Wifi jammer can protect wifi security, but it is illegal to use wifi jammer in some countries/regions.