Dell Wireless 5630 (EVDO-HSPA) Mobile Broadband Mini-Card (Composite WWAN Device) GPS Port (COM3) is a network card launched by Dell manufacturer. Many computer manufacturers integrate this network card into the whole product, 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, In the device control panel, you can set the Dell Wireless 5630 (EVDO-HSPA) Mobile Broadband Mini-Card (Composite WWAN Device) GPS Port (COM3) to reduce its signal transmission strength, so that it will generate less heat and work more stable, Dell 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, 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 a very cost-effective network card. Thank you Dell manufacturer for providing us with such a useful network card.