This Router

Buy.com has the Linksys WRT320N 54 Mbps Wireless Router - Refurbished for $63.24 with free shipping.

Product description from Buy.com:

The Dual-Band Wireless-N Gigabit Router means high performance for both wireless and wired devices. Your wireless connections are radio band selectable to avoid interference in your area, and the four built-in Gigabit ports supply high-speed connections to your wired devices.

FeaturesInterfaces/P
orts 4 x RJ-45 10/100/1000Base-TX Network Auto MDI/MDI-X LAN
1 x RJ-45 10/100/1000Base-TX Network Auto MDI/MDI-X WANManufacturer LinksysProduct Type Wireless RouterProduct Condition RefurbishedProduct Model WRT320NManufacturer Part Number WRT320N-RMProduct Name WRT320N Dual-Band Wireless-N Gigabit RouterManufacturer Website Address www.linksys.comGreen Compliance YesGreen Compliance Certificate/Authority Energy StarWeight 10.58 ozDimensions 7.95″ x 6.30″ x 1.34″Frequency Band/Bandwidth 5 GHz IEEE 802.11a UNII Band
2400 MHz IEEE 802.11b/g ISM BandTransmission Speed Details 54 Mbps Auto-fallback @ IEEE 802.11a/g
6 Mbps IEEE 802.11a/g
11 Mbps Auto-fallback @ IEEE 802.11b
1 Mbps IEEE 802.11bStandard Warranty 90 DayTransmission Speed 54 Mbps

Product link.

Newegg has the refurbished Linksys WAP54G-RM Wireless-G Access Point for $27 - $10 coupon code “EMCYPZN49” (Expires 3/18) + $3 shipping = $20 with free shipping. Supports 802.3/3u, IEEE 802.11b/g standards an. 64/128-Bit WEP, and WPA security.

Product description from Newegg:

Model Brand LINKSYS Model WAP54G-RM Spec Standards IEEE 802.3/3u, IEEE 802.11b/g Wireless Data Rates Up to 54Mbps Security 64/128-Bit WEP, WPA WPA/WPA2 WPA Antenna External Antenna Transmitted Power 802.11g: Typ. 13.5 +/- 2dBm @ Normal Temp Range
802.11b: Typ. 16.5 +/- 2dBm @ Normal Temp Range System Requirements PC with 300MHz or Faster Processor
128MB RAM Memory
Internet Explorer 5.0 or Netscape Navigator 6 or higher for Web-based Configuration
CD-ROM Drive
Windows 2000 or XP (to use the Setup Wizard)
802.11b Wireless Adapter with TCP/IP Protocol Installed or Network Adapter with Ethernet Network Cable and TCP/IP protocol Installed Ports 1 x 10/100M Power Input DC 12V Dimensions 7.4″ x 6.7″ x 1.9″ Weight 1.01 lbs. Temperature 0??C - 40??C (32??F - 104??F) Humidity 10% - 85%, Non-Condensing Features Features Easy wireless configuration with SecureEasySetup push button
Bui
lt-in web UI configuration for easy configuration from any W!
eb-brows
er
Firmware upgradable through web browser
Supports Wireless Bridging, Wireless Repeater, MAC Address Filtering, and Event Logging Manufacturer Warranty Parts 90 days limited Labor 90 days limited

Newegg has the refurbished Linksys WRT54G2 IEEE 802.3/3u, IEEE 802.11b/g Wireless-G Broadband Router for $15 + $3 shipping = $18 shipped. This is the followup to the popular WRT54G, one of the most popular wireless routers in history.

Product description from N
ewegg:

Model Brand LINKSYS Model WRT54G2-RM Spec Standards IEEE 802.3/3u, IEEE 802.11b/g Security Security features: Stateful Packet Inspection (SPI) Firewall, Internet Policy
Security key bits: Wi-Fi Protected Access 2 (WPA2), WEP, Wireless MAC Filtering WPA/WPA2 WPA2 Ports 1 x 10/100M WAN; 4 x 10/100M LAN LEDs Power, WLAN, LAN (1-4), Internet, Wifi Protected Setup (WPS) Buttons Reset, WPS Antenna 2 Internal Antennas Transmitted Power 18dBm (Typical) Interface Ethernet Port Power Input External, 12V DC, 0.5A Wireless Adapter included No System Requirements Internet Explorer 6.0 or Firefox 1.0 or higher for web-based configuration
CD-ROM Drive
Windows XP or Vista
Network adapter or wireless network adapter Dimensions 8.0″ x 6.3″ x 1.4″ Weight 9.9 oz Temperature 0??C - 40??C (32??F - 104??F) Humidity 10% - 85%, Non-Condensing Features Features All-in-one Internet-sharing Router, 4-port Switch, and Wireless-G (802.11g
) Access Point
Shares a single Internet connection and o!
ther res
ources with Ethernet wired and Wireless-G and -B devices
Push button setup feature makes wireless configuration secure and simple
High security: Wi-Fi Protected Access 2 (WPA2), wireless MAC address filtering, powerful SPI firewall Manufacturer Warranty Parts 90 days limited Labor 90 days limited

ShopLinksys has the refurbished Linksys WRT400N Dual-Band Wireless-N Router for $90 + $0 shipping = $90 shipped. The simultaneous dual-band feature keeps time sensitive traffic like music, gaming and high-definition video from slowing down unnecessarily from surfing the web or emailing.

B&H Photo Video has the Linksys Wireless-G Router For Verizon Mobile Broadband for $118.69 (See price in cart) with free shipping.
This product is sold at Amazon.com for $125.95; Buy.com for $126.07; Newegg.com for $126.53; Walmart.com for $141.79