Ad details:
LINKSYS WRT54G - Wireless-G is the emerging 54 Mbps wireless networking standard that' s almost five times faster than the widely deployed Wireless-B ( 802.11b ) products found in homes, businesses and public wireless hotspots around the country. The best part is, since they share the same 2.4GHz radio band, Wireless-G devices talk to existing 11 Mbps Wireless-B equipment. Operates as a DHCP Server NAT technology to protect against Internet intruders Supports VPN pass-through Easy configuration with web browser based configuration utility.

Features
All-in-one Internet-sharing router, 4-port switch, and Wireless-G (802.11g) access point
Wireless data rates up to 54 Mbps--5 times faster than 802.11b
Shares a single Internet connection and other resources with Ethernet wired and Wireless-G clients
Interoperates with 802.11b clients at 11 Mbps
Advanced wireless security with 128-bit WEP encryption, MAC, or IP address filtering.