The SK Telecom USB Modem (SKY) is a mobile broadband device used to connect your computer to the internet via a cellular network. It is typically used for 3G or 4G data services provided by SK Telecom, a South Korean telecommunications company. The modem allows you to access the internet through the USB port of your computer when you're on the go or in areas without fixed-line broadband access.

To use the SK Telecom USB Modem, you need the appropriate Windows driver to ensure the device functions properly with your operating system. The driver helps your computer communicate with the modem, allowing you to establish a network connection and use the device for internet access.