Item Type: PCI Express WiFi Adapter Model: QCNFA344 Compatible Interfaces/Slots: PCI Express X1, X4, X8, X16 Wireless Transmission Speed: 2.4GHz 300Mbps + 5.0GHz 867Mbps Standards: IEEE 802.11n, IEEE 802.11g, IEEE 802.11b, IEEE 802.11a, IEEE 802.11ac Operating System: For Microsoft Windows 7/8 / 8.1 / 10 32/64 bit Streaming: 2X2 Frequency: Dual frequency 2.4 / 5GHz For Bluetooth Standard: For Bluetooth 4.1 1、For Qualcomm Atheros QCNFA344 is the third‑generation 802.11ac, dual‑band, 2x2 Wi‑Fi + for Bluetooth 4.1 adapter. It aims to provide lower power consumption, better RF coexistence and full for Microsoft Windows 10 support. 2、For Bluetooth 4.1 smart ready(low energy), dual‑mode for Bluetooth 4.1 can be connected to the latest low‑energy for Bluetooth products and devices you are familiar with, such as headsets, keyboards, mice, etc. 3、Wi‑Fi speed is increased by 3 times, waiting time is reduced, work and entertainment time is increased. 802.11ac 2x2 Wi‑Fi provides 3 times the speed of 2x2 802.11n (up to 867 Mbps) 4、This product realize faster download speed, higher quality video streaming, games, music, etc. 5、The desktop PCI network card supports the third generation of 802.11ac, and the Wi?Fi + for Bluetooth adapter allows you to move at faster speed(up to 867 Mbps), higher capacity and higher reliability of life 1 x PCI Express WiFi Adapter 2 x Antenna 1 x For Bluetooth Cable 1 x Screw