Feature:1. Possess wide compatibility, support for WIN XP/WIN7/WIN8/WIN10, support shared WIFI2. Equipped with dual antennas, the chip is AR9223. the product support B / G / N band3. This is a 802.11N 300M wireless network card, working at 2.4G frequency with high efficiency4. Pointtopoint measured speed is 90M or higher (twoway to 180M), which make the product become the best choice for longdistance highbandwidth transmission5. Come with 1 screw and 2 antennas, easy for you to install and very convenient to useSpecification:Item Type: PCI desktop adapterModel: TX-AR9WSChip: AR9220Speed: 300MbpsInterface: PCIStatus: 2.4ghzStandard IEEE: 802.11 b/g/nSupported Operating System: For Windows XP 32/64 / Win7 32/64 / Win8 32/64 / WIN10For WIN7 / WIN8 / WIN10 support sharing WIFI.Package List:1 x PCI Desktop Adapter2 x Antenna1 x ScrewNote:Please note that for the ROS system, we do not have technical support, you can search for information about this knowledge on for Google.