This Dell 1N1FY DW5808 Sierra Wireless AirPrime MC7355 4G LTE/HSPA+ GPS 100Mbps card is a powerful addition to your computer. It allows for high-speed data transfer with a maximum data rate of 100 Mbps. The card has one port and is a PC Card Type IV form factor. With eSATA internal interfaces and Ethernet/Network external interfaces, it is compatible with PCI Express x1 and can be used as a wireless unit. The DW5808 card is a Sierra Wireless brand and is compatible with a variety of different computer models.