Netgear WPN824 RangeMax™ Smart MIMO Wireless Router. Networking standards: IEEE 802.11b, IEEE 802.11g. Firewall security: Double Firewall, Security algorithms supported: WPA-PSK, VPN support: 2 VPN end-to-end tunnels (IPSec). Weight: 0.5 kg. Compatible operating systems: Windows 98, Me, NT, 2000, XP, MAC OS, NetWare, UNIX, Linux. Minimum system requirements: Internet Explorer 5.0/Netscape 4.7 2.4GHz 802.11b/802.11g Wireless Adapter