Please check here Intel® NUC Kit DN2820FYKH
On the main product's page
Networking
10/100/1000Mbps Ethernet port
Intel® Wireless-N 7260BN pre-installed, including wireless antennas
(IEEE 802.11bgn, Bluetooth* 4.0, Intel® Wireless Display built-in)
In the PDF-file
PERIPHERAL CONNECTIVITY
Intel® Wireless-N 7260BN PCIe* mini card pre-installed (802.11bgn, Bluetooth* 4.0, Intel® Wireless Display)
I assumed that if Wi-Fi works on this platform then WiDi should run as well as Bluetooth.
Also please add a note that only drivers for Windows 8 and Windows 8.1 are available. I also purchased a license for Windows 7 first, than found that there are no drivers for Windows 7 and after some researches found this Intel� NUC — Supported operating systems
Fortunately I made the installation from another disk for Win7 and didn't unpack the box, so I exchanged it with Windows 8.1 license