Many of the technical terms used throughout our website are explained in this glossary. Please select a letter of the alphabet – or choose “View All” – to browse terms and definitions.

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RFI: Acronym for Radio Frequency Interference

RFID: Radio Frequency Identification- A system of relaying information stored in a miniature circuit usually located on a 'tag' by sending a radio frequency message from a base, receiving an encoded reply from the 'tag' and then decoding the received data. The power required by the receiver is usually provided by the radio frequency transmission from the base and therefore no battery or remote power is necessary.

RoHS: Acronym for 'Reduction of Hazardous Substances' most commonly pronounced 'ro-haus'.

RTOS: Real Time Operating System

RX: Receiver or Receive