I am seeking a product recommendation. I presently have a Centurylink wireless DSL router/modem in my home. Works good. About 2-3 hundred feet away I have a wood-sided mobile home for my mother. She uses a Linksys wrt320n router with signal from a Clearwire modem. I would like to eliminate Clearwire service and have her operate off my wifi. I am looking for a router I can connect a flat panel Hi-gain antenna to. I want to plug the computer into it, and have it work like a repeater to provide signal to her Kindle. Any ideas?