field-disturbance sensor
field-disturbance sensor: A restricted radiation device which establishes a radio frequency field in its vicinity and detects changes in that field resulting from the movement of persons or objects within the radio frequency field. Examples: microwave intrusion sensors; devices that use rf energy for production line counting and sensing. [NTIA]
This HTML version of FS-1037C was last generated on Fri Aug 23 00:22:38 MDT 1996