Cisco-Linksys WRT55AG Dual-Band Wireless A+G Access Point + Cable/DSL Router with 4-Port 10/100 Switch Dual-band, tri-standard Access Point communicates with Wireless-A (802.11a), Wireless-B (802.11b) Protect your wireless investment while preparing your infrastructure for the future Built-in 4-port Switch jump-starts your wired network Advanced Security: Wireless data encryption (WEP), VPN pass-through, Internet access control and Wireless filters