The Bluetooth RFBUS Windows driver refers to a specific driver used by Bluetooth devices, often related to Bluetooth Radio Frequency (RF) Bus. This driver typically supports the Bluetooth functionality in Windows, especially for older or specific Bluetooth adapters and radios. It helps Windows recognize and interact with Bluetooth hardware, enabling wireless communication with Bluetooth-enabled devices like keyboards, mice, headphones, smartphones, and other peripherals.

The RFBUS driver is part of the suite of Bluetooth drivers that allow the system to establish the underlying wireless communication between the computer and Bluetooth devices.