Atheros is a manufacturer with strong technical strength. The wireless network cards it produces have always been good. One of the network cards: Atheros AR5008 Wireless Network Adapter, has been recognized by many consumers, 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 made of a multi-layer PCB board, which can shield most of the external electronic interference, and its stability is very high. Even if there is a wall, it can receive most of the signal from the router, It supports IEEE 802.11b/g/n/ac protocol, not only can connect to most routers, but also connect to other devices that support this protocol, such as mobile phones, wireless network cards, game consoles, etc, Atheros 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 general, this is a good wireless network card, worth having.