This Forum Beta is ONLY for registered owners of D-Link products in the USA for which we have created boards at this time.
Walk around your house with the following utility running on your laptop: (don't trip!!!)http://www.metageek.net/products/inssiderIt might help you see what is causing the bad signal or if you can adjust your antennas to make the signal stronger.
I might sound like I'm being picky but it's omni directional not onmni directional, and not all antennas are omni directional. The factory supplied antenna's that come with the DIR-655 are omni directional. An omni directional antenna is an antenna system which radiates power uniformly in one plane with a directive pattern shape in a perpendicular plane. This pattern is often described as "donut shaped".