RFID (5 letters) The term 'TYPE OF TAG' can be answered by two crossword solutions: LASER and RFID. LASER stands for Light Amplification by Stimulated Emission of Radiation, which is a device that emits a beam of light that is used in many applications such as barcode scanning, LASER printing, and LASER cutting. RFID stands for Radio Frequency Identification, which is a technology that uses radio waves to identify objects or people. It is commonly used in tracking systems, access control systems, and contactless payment systems.