From 10 years ago. Think advancements.
Transmit, receive, relay ,store data
https://defensereview.com/hitachi-powderdust-%C2%B5-chip-ultra-small-micro-rfid-chip-with-embedded-antenna-for-military-and-clandestine-intelligencesurveillance-applications-u-s-military-law-enforcement-and-inte/