32feet.NET is a shared-source project to make personal area networking technologies such as Bluetooth, Infrared (IrDA) and more, easily accessible from .NET code. It supports desktop, mobile or embedded systems. The project currently consists of the following technologies:-
Bluetooth support requires a device with the Microsoft or Widcomm Bluetooth stack. Requires .NET Compact Framework v3.5 or above and Windows CE.NET 4.2 or above, or .NET Framework v3.5 or above for desktop Windows XP, Vista, 7 and 8.
The source-code is maintained at http://32feet.codeplex.com/, Microsoft’s shared-source project hosting site.
Alan McFarlane has provided a useful list of supported and unsupported Bluetooth profiles here:-
Read about the IrDA support:-