You searched for: “data transfer rates
data transfer rate (s) (noun), data transfer rates (pl)
The number of characters that can be moved from an RFID (Radio-Frequency Identification) tag to a reader within a given time: The measure of data transfer rate or the speed with which a computer device transmits information are also used to quantify how fast readers can read the information on the RFID tag.

Data transfer rate differs from the "read rate" which refers to how many tags can be read within a given period of time.