Etekcity 1000mW 802.11 B/G Long range High Power USB Wireless WiFi Network Adapter RTL8187L Chipset with 6dBi Antenna and extra 10 dbi antenna Connects at a full 54Mbps via mini USB2.0 standard (also compatible with USB1.1,up to 8 times faster) Chipset: Realtek RTL8187L; Data Modulation Type: BPSK,QPSK, CCK and OFDM Plug-and-Play Compatible with windows 98SE, XP ,2000, Vista, Mac v10.4 and v10.5 and Linux High security 64/128/256bit WEP Encryption,TKIP, Wi-Fi Protected Access (WPA), 802.1 X support One Year Warranty by Etekcity