Almost all Routers that can be flashed with DD-WRT can be configured as Rrepeaters.
In general.
Start with One affordable Wireless Router that can do WDS (the reason to start with WDS capable Router is that in case you need to add more Wireless WDS hardware the original Router has to support it).
If you are lucky and your environment is conducive to get covered with one Good Wireless Router and you are done.
http://en.wikipedia.org/wiki/Wireles...ibution_System.
Buffalo-HP-54G, Linksys WRT54GL, Asus, 520GU, and many others, can do WDS when flashed with DD-WRT firmware.
Due to the added flexibility, it is better solution to choose Routers that can work with
DD-WRT
http://www.dd-wrt.com/wiki/index.php/Main_Page
http://meanderingpassage.com/2007/04...on-system-wds/
Using a Laptop loaded with Wirelessnetview, do a Wireless survey,
http://majorgeeks.com/WirelessNetView_d6102.html
According to the signal strength reading, identify spots that have strong signal. and spot with weak, or No signal.
Evaluate how you can cover the space and start placing WDS units.
Additional Wireless Routers in WDS Mode (Wireless Network - Configuration Modes. ) has to be placed in spots were the signal is good about Half way to the dead spots.
How many WDS units are needed? It depends on your specific environment (that is a good the reason to buying WDS units one at the time, try it, and decide on the Next step).
More about the topic (the pages bellow were written a while ago, ignore the specific hardware recommendation just stick to the principle and get current hardware)
Wireless Router as an AP -
http://www.ezlan.net/router_AP.html
Wireless Modes -
http://www.ezlan.net/Wireless_Modes.html
Wireless Bridging -
http://www.ezlan.net/bridging.html
Hi Gain Antenna -
http://www.ezlan.net/antennae.html
