Gigabyte GC-WB867D-I REV Bluetooth 4.2/Wireless AC/B/G/N Band Dual Frequency 2.4Ghz/5.8Ghz Expansion Card Fully qualified Bluetooth 4.2 IEEE 802.11ac standards compliant. Intel WIFI module supports Intel WIDI Antenna to support WLAN 2Tx2R transmission High speed wireless connection up to 867 Mbps Bluetooth Enhances Data Rate (EDR) support