i ordered the Intel 7260 802.11ac / Bluetooth 4.0 module (combined) from Rakuten.com for the Intel NUC PC i have built. The price was the best in the online marketplace. This is one of the fastest 802.11ac modules in the marketplace and it supports dual-band downloads.
The Intel® Dual Band Wireless-AC 7260 802.11ac, dual band, 2x2 Wi-Fi + Bluetooth adapter lets you move at the speed of life with faster speeds (up to 867 Mbps), higher capacity, broader coverage and longer battery life. Combined with 4th Gen Intel ® Core™ processors and exceptional Intel wireless innovations, the Intel® Dual Band Wireless-AC 7260 dramatically reshapes your connected experience at home, work or on the go.