Originally Posted by stimpy
802.11 B and G operate in the 2.4GHz range. So 5Ghz devices will have no effect at all. However microwave ovens, Bluetooth devices and DECT phones may interfere with other devices in the 2.4GHz range.
DECT phones operate in the 1900MHz band and will not interfere with WiFi. I seem to remember being warned that there are some '5GHz' phones that only use 5GHz for base-station transmit; handset transmit is in the 2.4GHz band. Perhaps nmenaker has one of those?