1. Place in a central location to all devices.
2. Reduce the number of devices.
3. WPA2 for security since anything less can be broken.
4. Check those channels. Example at http://forums.cnet.com/7723-13973_102-560420/wifi-disconnects-from-time-to-time-galaxy-tab-7-plus/?tag=contentBody;threadListing
my main internet is being broadcast with a d-link wbr 2310 and i want to get internet about 200 feet away in another building (repeater? bridge? i dont know). and i have a belkin 7230-4 router and a gigaset se567 router that i can use to accomplish this (i hope). is there a way i can do this with either of those router with it only plugged in to a power outlet?