DECT Monitor: The Revolabs DECT Monitor will let you analyze the radio frequency bands to see what devices/systems in the area might overlap and conflict with the Revolabs Wireless Microphones. It plugs into a USB port on your PC and uses the DECT Monitor Software (available via download) to analyze what else is operating within the DECT spectrums. Allows you to analyze radio frequency bands to see what might conflict with the Revolabs Wireless Microphones. Plugs into a USB port on your PC and uses the DECT Monitor Software (available via download) to analyze what else is operating within the DECT spectrums.