Although the Dell Wireless 5630 (EVDO-HSPA) Mobile Broadband Mini-Card (Composite WWAN Device) Status Port (COM3) has been on the market for a long time, many people still use it because of its excellent working ability, 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, This network card also does a good job in terms of security. When it is connected to the router, it uses encryption algorithms to encrypt data by default, allowing you to browse information online with more confidence, 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, The original intention of Dell manufacturer to design this wireless network card is for those who have high requirements for network speed. Dell Wireless 5630 (EVDO-HSPA) Mobile Broadband Mini-Card (Composite WWAN Device) Status Port (COM3) can not only work well by itself, but also can be combined with wireless network cards of the same model to form a parallel working mode, so as to increase the bandwidth of the network, which can speed up the network data transmission speed, Network is indispensable to any computer. Although the Dell Wireless 5630 (EVDO-HSPA) Mobile Broadband Mini-Card (Composite WWAN Device) Status Port (COM3) is very easy to use, it needs the correct driver to maximize the performance of the network card.