Broadcom is a manufacturer with strong technical strength. The wireless network cards it produces have always been good. One of the network cards: Broadcom 4313GN 802.11b/g/n 1x1 Wi-Fi -sovitin - VirtualBox Bridged Networking Driver Miniport, has been recognized by many consumers, Nowadays, more and more people are shopping online. Broadcom manufacturers also take this into consideration, so they add encryption function to Broadcom 4313GN 802.11b/g/n 1x1 Wi-Fi -sovitin - VirtualBox Bridged Networking Driver Miniport, which can encrypt data before transmitting to external devices. However, this function is not enabled by default. The encryption function will be enabled only when you set it in the control interface of the driver, Broadcom 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, 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 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, In general, this is a good wireless network card, worth having.