Although Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card is a relatively common network card, because of its good compatibility, it can be used in various operating systems, so many people have been using it, The original intention of Dell manufacturer to design this wireless network card is for those who have high requirements for network speed. Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card 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, The most commonly used wireless data exchange protocols are 802.11b and 802.11a. Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card also supports these standard protocols. Using these protocols, it can be connected to various new or old router devices, Nowadays, more and more people are shopping online. Dell manufacturers also take this into consideration, so they add encryption function to Dell Wireless 5570 HSPA+ (42Mbps) Mobile Broadband Card, 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, 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, Whether you like playing games online or shopping online, this card is very suitable for you.