Wireless To Wired Ethernet / Ethernet To Wi-Fi Wireless Network Bridge Adapter | eBay
AWB3000
Creating an Ethernet to Wireless Bridge (make your router act like a wifi card) | ThinkPenguin.com
Linksys Official Support - What is a wireless bridge and how to use it
BrosTrend Dual Band 1200Mbps WiFi Bridge, Convert Your Wired Device to Wireless Network, Works with Any Ethernet-Enabled Devices, WiFi to Ethernet Adapter with Standard RJ45 LAN Port, Easy Setup