Robuta

https://www.rfidjournal.com/news/what-is-the-difference-between-chipless-tags-and-printed-electronics-tags/176589/
Are printed electronic tags classed as chipless tags? Also, what are the latest developments with regard to the performance, price and security of chipless...
printed electronicsdifferencetags
https://www.mdpi.com/2504-3900/97/1/46
A chipless RFID humidity sensor suitable for smart packaging is proposed in this work. The sensor is flexible, fast, low-cost, easy to fabricate and can be...
chipless rfidhumidity sensorsmart packagingapplications