The ZyXEL P-330W's NAT firewall allows you to share a single public IP address with all of your network devices, making connecting to the Internet as easy as possible while also offering protection from Internet threats. The built-in 4-port switch features Auto-MDI/MDIX technology, allowing you to easily connect multiple devices to your network without worrying about cabling conflicts. The Wi-Fi certified 802.11g access point supports all major wireless security standards ensuring compatibility and security for your wireless network.