["供参考标题：Dual-Band 2.4/5GHz 300M Desktop PCI-E 1X Interface Wireless Network Card + 3 Antenna For Intel 4965AGN\r\n\r\nDescription:\r\nbrand new and high quality.\r\nThe adapter is competible with your desktops perfectly if having PCI-E interface.\r\nDesktop PCI-E 1X Interface 300M 3 Antenna + Wireless Network Card for INTEL WIFI 4965AGN\r\nIntel® Wireless WiFi Link 4965AGN Chip \r\nWireless network card type: wireless card\r\nInterface Type: PCI-E 1X\r\nTransmission rate: up to 300Mbps\r\nAntenna Gain: External 3 * 2dBi Detachable Antennas\r\nBand: Dual Frequency Band 2.4G/5G\r\nNetwork standard: 802.11a, 802.11g, 802.11n (draft)\r\nOperating system: Win2000, XP, vista, WIN7, WIN8\r\nSize: (Approx.)\r\n Antenna Length: 20cm/7.87\"\r\nQuantity: 1 Set (other accessories demo in the picture is not included)\r\n\r\nNote: \r\n1.Transition: 1cm=10mm=0.39inch\r\n2.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.\r\n3.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\r\n4.No retail package\r\n\r\nPackage includes:\r\n1 X Wireless PCI-E Card\r\n3 X Antenna"]