Description: Brand new and high quality. The adapter is perfectly compatible with your desktop computers if they have PCI-E PCI-1X interfaces. Wireless Network Card Type: Wireless Card Chipset: BCM943225HMS Interface: Half Mini PCI-E-1X Network Standard: 802.11b, 802.11g, 802.11n Transmission Rate: Up to 300 Mbps Operating System: Win2000, XP, vista, WIN7, WIN8, WIN8.1, WIN10 Size: (approximate) Antenna length: 20 cm/7.87 inches Quantity: 1 set (other accessories demonstrations in the picture are not included) Note: 1.Transition: 1 cm=10 mm=0.39 inches 2.Please allow 0-1 cm error due to manual measurement. Please make sure you don't mind before bidding. 3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! 4.No retail packaging Package includes: 1 X BCM943225HMS Dual Band PCI-E Card Adapter 2 X Antenna