Using Router As Wireless Bridge-how To Setup Wireless Bridge

What is a Wireless LAN Bridge
Wireless LAN bridge is the connection two wireless routers, which are connected through 802.11N/G/B protocols. Once connected the routers act as wireless bridge adapter for the local devices connected to their LAN ports.

Why Do I need Wireless LAN Bridge
Wireless LAN can be useful in many scenarios. If you want to setup a home network where there several devices which need to be connected to the Internet . If the device have only Ethernet ports then it needs to kept near the main wireless router. Alternatively you can use one wireless bridge adapter per device to connect the main wireless router. Instead of using several wireless bridge adapters you can get another wireless router and connect it to the main wireless router. The additional wireless router will provide several ports.

How to setup router as a wireless bridge
All wireless routers are not created equal. Most of the wireless routers do not support wireless network bridging. Most of the routers from major manufactures do not support wireless bridging. You will have to pickup routers which support DD-WRT or the routers which support Wireless Access Point mode. See Selecting Wireless Bridging Routers.
In order to connect the routers you need set main router which is connected to Internet as DHCP server. Setup the second router in Wireless Client. Program the SSID and Security key same as the first router. Once this is done correctly second router will find the first router.

For detailed demonstration see the article Connect two wireless routers using wireless network bridge