The HSPA Mobile Connect Modem Device is a type of mobile broadband modem that uses HSPA (High-Speed Packet Access) technology to connect to mobile data networks, such as 3G or 4G LTE. This type of modem typically allows you to access the internet through cellular networks via USB or built-in slots on laptops or desktops. The HSPA Mobile Connect Modem Device driver is the software needed to allow Windows to recognize and properly communicate with this modem, enabling it to function as a mobile internet connection.