If dropping out on battery is also an issue with the rt2800pci try: sudo touch /etc/pm/power.d/wireless which is the recommended way (according to man pm-powersave) to disable a powersave script (wireless in this case).
If dropping out on battery is also an issue with the rt2800pci try: power.d/ wireless
sudo touch /etc/pm/
which is the recommended way (according to man pm-powersave) to disable a powersave script (wireless in this case).