can i link 2 wireless routers together without a hard wire for better signal range
Yes but you will have to convert one of the routers into a Wireless Access Point so that you can setup a wireless bridge; which will probably require you to root the firmware. I like ddWRT personally. http://www.dd-wrt.com/wiki/index.ph...
Be careful with this because if you use the wrong form ware you could brick your router. Personally, I would just go out and purchase a Wireless Access Point that supports wireless bridging.
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