WRT300N disconnects every hour

i updated the firmware, but it doesnt seem to solve the problem.
i heard somewhere that linksys admitted that 300N router has an issue, but is not going to anything about it because the problem is with the hardware, not the firmware.
if someone fixed the problem, i could use some help.
thanks very much.

Change radio band to wide, standard channel to 11. Change advanced wireless settings : change beacon interval to 50, fragmentation threshold to 2306, RTS threshold to 2307, DTIM to 2

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