A helium neon laser commonly used in bar code scanners.
High Frequency radio waves, from 3 MHz to 30 MHz. RFID tags designed for the HF range typically operate at 13.56MHz.
The Health Industry Bar Code (HIBC) Standard, it is a barcode that use for unique identification of medical products.
A bar code type presented in such a manner that its overall length dimension is parallel to the horizon. The bars are presented in an array which looks like a picket fence.
Tag that has a small internal power supply, is triggered by a reader. After interrogation, the tag goes back to being passive.