D-Link AirPlusTM G DI-524 Wireless Router. Modulation: OFDM. Networking standards: IEEE 802.11b, IEEE 802.11g, IEEE 802.3, IEEE 802.3u. Antenna type: External, Antenna connector type: RP-SMA. Firewall security: NAT with VPN Pass-through, MAC Filtering, IP Filtering, URL filtering, Domain Blocking, Scheduling, Security algorithms supported: WPA, VPN support: PPTP L2TP IPSec. Safety: FCC