This is a classic network card. Although Dell Wireless 5550 HSPA+ Mini-Card Device Management (COM4) is not the best network card in the world, its various practical functions allow you to have a stable network environment, In terms of speed, the speed of Dell Wireless 5550 HSPA+ Mini-Card Device Management (COM4) has reached the current mainstream level. It allows you to watch high-definition network videos smoothly, and it can process some simple network data packets by itself, disassemble the data packets into raw data and send them to the application layer. This will save a lot of CPU resources. But to realize this function, you must install the correct driver for it,Nowadays, more and more people are shopping online. Dell manufacturers also take this into consideration, so they add encryption function to Dell Wireless 5550 HSPA+ Mini-Card Device Management (COM4), 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, The most commonly used wireless data exchange protocols are 802.11b and 802.11a. Dell Wireless 5550 HSPA+ Mini-Card Device Management (COM4) also supports these standard protocols. Using these protocols, it can be connected to various new or old router devices, 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, Finally, please install the correct driver for it, so that it can exert its maximum performance.