RADIO FREQUENCY DATA COMMUNICATION. Hand-held or vehicle mounted units that send and receive messages by radio frequency. Information from the units is displayed on a screen for workers. It allows real-time, two-exchange of data between terminals, one often mobile and the other a host computer at a distant location.

Radio Frequency Data Collection. Manufacturers of RFDC equipment include Teklogix and Symbol.

Radio Frequency Data Communications: data communications technology that is rapidly becoming the standard for real-time inventory control.

Regional Flood Defence Committee

Media Concentration Calculated from RfD