I am trying to create a network connection between two buildings that are across the road from each other. Currently, my internet connection comes into the basement of building 1 (wired) and connected to a DIR-655 router which goes upstairs (wired) and there is another DIR-655 router that spreads the signal to the other building. I have tested the network from the other building with a wireless G laptop, and it is able to pick up a weak signal.
Our internet source is switching to building B, and I would like there to be internet still in the basement of Building A. If I place a DIR-655 router into building B (the new internet source), will it be able to jump to Building A (upstairs) and then have a wired network working downstairs? My assumption is that if a laptop is able to bridge the gap between Building A & B, then the two routers should be able to bridge the gap also. Would this work or am I missing something in my logic, or my understanding of how the DIR-655 routers work? Currently the upstairs router exists to expand the wireless network and to provide connectivity through ethernet cables plugged into it. Is it possible to place a directional antennae into Linksys DIR-655 routers to strengthen the connection between the buildings?
Should I be looking at other hardware to add into the network? I do not want anything on the outside walls of either building, it has to penetrate both walls and bridge the distance without any hardware on the outside walls of either building (although the routers will be placed directly inside the walls). Ideally, I would like an internet connection in the basement of building A that has no packet loss and good latency on the wired computer. Should this work and what do I need to do (or purchase) to make it work better? Our reason for making the switch is that the new ISP can only provide access to the other building and the new isp will be a huge improvement over our existing one, but I am worried the wireless link will cause problems.