The BandLuxe AT CMD Interface Windows driver is a device driver for BandLuxe mobile broadband modems or USB modems. BandLuxe is a company that manufactures modems and data communication devices, particularly for wireless Internet access through 3G or 4G LTE networks.

The AT CMD Interface refers to the AT command set used to communicate with the modem. "AT" commands are instructions used to control modems and other communication devices. The AT CMD Interface driver allows the modem to interact with your computer via Windows and execute these commands for tasks such as connecting to the Internet, checking signal status, or configuring modem settings.