1、With download rate up to 100Mbps and upload rate of 50Mbps, it is small and portable, plug and play. 2、Equipped with indicator light and one-touch connection, it is easy to know whether it works. 3、Its system requirements is for windows XP / Vista / 7 / 8 / 8.1 / MAC OS X 10.5 / MAC OS X10.10 and above. 4、It not only supports Wifi, but also it support TF card, thus it is with great compatibility with network type. 5、Function of the wireless network card is equivalent to a wired modem, which can be anywhere with a wireless phone signal coverage. 1 x Network Card1 x Instruction Manual Item Type: Wireless network card Working Frequency Band: FDD: B1/B3Wi-Fi: SupportRate: Upload: 100Mbps, Download: 50MbpsSystem Requirements: For Windows XP/ Windows Vista / Windows 7 / Windows 8 / Windows  8.1 / MAC OS X 10.5 / MAC OS X 10.10 and above.TF Card: SupportSize: Approx. 95mm x 33mm / 3.74 in x 1.3 in