You searched for: “data field protections”
data field protection (s) (noun), data field protections (pl)
The ability to prevent data stored in a specific area of memory of an RFID (Radio-frequency identification) microchip from being overwritten: Some companies use the data field protection device to store an Electronic Product Code, which doesn't change during the life of the product it's associated with.

This entry is located in the following units: dat-, dos-, dot-, dow-, don-, dit- (page 2) Radio Frequency Identification (RFID): Definitions (page 2)