The Sierra Wireless MC8755 is a 3G mobile broadband module, commonly used in devices for cellular data connectivity, such as embedded systems, laptops, routers, and IoT applications. The device provides support for high-speed mobile data on 3G networks and uses a USB interface to connect to a host computer or embedded system.
To make the Sierra Wireless MC8755 work properly on a Windows machine, you will need to install the appropriate drivers, which allow the operating system to communicate with the hardware and manage network connections.