i hope some nice soul would help me with this annonying problem, hve been googling for hours witout an solution.

ok here i go!
i have a wireless router at my house connected to the internet with cable!
now i want to connect my router wirelesly to another wireless router 500ft away,
i want the second router to be able to use the first routers internet connection, and of course also to be able to connect to my home network

i know i have to buy 2 external antennas.
but what kind of routers should i buy?
and how do i configure it?

Nikola....