SODIAL(R) PCI Express PCI-e 300Mbps IEEE 802.11b/g/n Wireless WiFi Network Card Adapter Brand new and high quality Comes with 2 detachable reverse SMA connector antennas Compatible with IEEE 802.11n (Draft 2.0), IEEE 802.11g, IEEE 802.11b Wireless transfer rate: the upload is 150 Mbps and the download is 300Mbps