This is a classic network card. Although Dell Wireless 5620 (EV-DO-HSPA) Mobile Broadband Mini-Card Modem is not the best network card in the world, its various practical functions allow you to have a stable network environment, If you often buy things on the Internet, it is best to use Dell Wireless 5620 (EV-DO-HSPA) Mobile Broadband Mini-Card Modem as your wireless network card, because it can automatically encrypt your data before transmitting it to the target serverIn order to ensure a faster network speed, the Dell manufacturer uses a high-quality circuit board as the bottom plate, so that all components on the circuit board are in good working condition, and the electronic interference generated by each device in the main computer box to Dell Wireless 5620 (EV-DO-HSPA) Mobile Broadband Mini-Card Modem is very small, 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, The most commonly used wireless data exchange protocols are 802.11b and 802.11a. Dell Wireless 5620 (EV-DO-HSPA) Mobile Broadband Mini-Card Modem also supports these standard protocols. Using these protocols, it can be connected to various new or old router devices, As long as you install the corresponding driver and make it work normally, it will allow you to browse information on the Internet comfortably.