... a ADSL modem, router, firewall and 4 Port Ethernet Switch in one device. Data access is ... 802.11b/g or wired option via 4 port Ethernet or USB. Detailed features: -ADSL Compliance ... Features: NAT (Network Address Translation) / PAT (Port Address Translation) let multiple users on the LAN to ... -through with multiple sessions, RTSP, SIP, etc. Port Forwarding: the users can setup multiple virtual servers ( ...