Dual WAN interface for ADSL22 or 3G additional WAN interface for cablefibre 3G HSPA embedded with a built-in SIM card slot Auto-failover between any 2 of the 3 WAN interfaces ensures an always-on connection 4 IPSec VPN tunnels supported with powerful 3DES accelerator 54 Mbps Wireless AP with WPA WPA2 support & integrated 4-port Ethernet Switch Broadcom chipset Business-class Firewall Security with Do S Prevention SPI & packet & URL filtering Quality of Service Control Qo S for Traffic Prioritization & Bandwidth Management A unique 3G embedded wireless G modemrouter that features a Dual WAN interface with one ADSL22 port & a built-in SIM-card slot for rock-solid 3GHSPA connectivity. In addition one of the 4 Ethernet ports can be configured as a second fixed WAN port for cablefibre 2nd ADSL22 connectivity allowing autofailover to be configured to operate between any 2 of the 3 WAN interfaces available. The 7800GZ also incorporates a business-class firewall supports IPSec VPN capability & in fixed line mode offers fast Internet access via your ADSL line with download speeds up to 24 Mbps with ADSL2 & higher upload speeds with Annex M. Billions renowned built-in Quality of Service Qo S feature for bandwidth management & traffic prioritization makes this an ideal model for the SOHO or small business user who is serious about security & high-performance.