The BtTuner WDM TV Tuner driver refers to a driver package for a TV tuner device that is compatible with the WDM (Windows Driver Model) framework. These drivers are used for TV tuner cards or USB TV tuner devices that allow your computer to receive and display television signals on your PC.

The BtTuner part of the name suggests that the tuner is using a chipset based on Brooktree or Conexant technology, as Brooktree Corporation (later acquired by Conexant) created the early TV tuner hardware that many manufacturers used in their cards. The WDM driver model is used to ensure compatibility with video capture and TV signal processing software on Windows.