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My wife and I rely on Wi-Fi to get Internet access other than in our basement. Our cable modem is connected to a Linksys wireless router, currently a WRT300N. She uses a USB connected Linksys Wi-Fi adapter with a single antenna and I use various laptops with built-in Wi-Fi or card adapters. We are remodeling and her Gateway semi-desktop moved about 20 feet from where it had been located. It had been above the access point in the basement. It stopped seeing the home network, yet it sees 4 or 5 neighbors' networks. I fiddled with the access point antennae and its location. I fiddled with the external Wi-Fi adapter on her computer. All I could get was neighbors' networks on her computer. Moving her adapter and aiming its antenna could get more neighbor networks, but not ours, about 12 feet beneath. My a/b/g laptop was unaffected, worked fine on our network (and also picked up the neighbors.) I went into the admin for the access point, and switched it from mixed a/b/g to mixed b/g. Bingo! Both her computer and mine are connecting to our home network just fine. I'm mystified. Her adapter is b only, but it has worked fine all along. Did moving it closer to my a/b/g laptop somehow bollix up it getting a good b connection? Thanks, /rich