PLANEX WiFi USB Adapter for Online Game/Wireless LAN GW-US54Mini2W(White) designed in Japan Comply with both IEEE 802.11b and IEEE 802.11g products Support USB 2.0/1.1/1.0 interface Support Mac OSX, Windows Vista/XP/2000 Support Sony PSP Xlink, NDS on line Game Support Software AP "No forwarding among wireless clients", although the clients card connecting with the same AP, they cannot transmit information to each other. This function provides more security for the clients.