Features: brand new and high quality Antenna, 2 removable dual band omni-directional antennas. Bluetooth-compatible 4.0, available for 10-30 meters (without any blocking). Complies with IEEE 802.11g,IEEE 802.11n,802.11ac/a/b/g/n standards. Operating system, for Windows 7 / 8 / 10. Optional 2.4G / 5G dual frequency, 5Ghz band speed up to 867Mbps, 2.4Ghz band speed up to 300Mbps. Specifications: Type: PCIE Wireless Network Card Transmission Speed: 1200Mbps Interface: PCI-E 1X Bluetooth-compatible: 4.0 Working frequency: 2.4G/5G IEEE WLAN standard: IEEE 802.11g,IEEE 802.11n,802.11ac/a/b/g/n Data Rate: 5.GHz 867Mbps , 2.4GHz 300Mbps Package Includes: 1 x Desktop Wireless PCI-E Adapter 1 x Bluetooth-compatible cable 2 x high gain antennas 1 x low profile bracket note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.