Although Realtek 8822BE Wireless LAN 802.11ac PCI-E NIC #2 is a relatively common network card, because of its good compatibility, it can be used in various operating systems, so many people have been using it, Thanks to the use of high-quality circuit boards and various high-quality components, it can work for a long time in various environments, even if it is minus 30°, it will not be affected in any way, and it can keep the network stable, Realtek manufacturers have built it into a high-speed wireless network card. It can automatically compress data according to actual usage, so that your data can be quickly sent to the network. If you want to use this function, you must install the specific driver provided by the manufacturer, In addition, if you are particularly concerned about security, it can provide encryption function. You can set it in the control panel of the drive device, and let it encrypt the data before transmission, It is compatible with the current mainstream wireless protocols: 802.11b and 802.11a, so you can use it to establish network connections with various wireless routers, It is a very cost-effective network card. Thank you Realtek manufacturer for providing us with such a useful network card.