Table 2.

Comparison between main chipless RFID technologies.

	Printed Electronics	EM Scattering	SAW
Read range	<10 cm	<1 m	<10 m
Working band	13 MHz	10–100 MHz/3–8 GHz	2.45 GHz
Maturity level	Medium	Medium	High
Temperature range		−100°–300°	−100°–300
Standard	HF-RFID	No	Some
Cost	NA	Very low (<1 cent)	Low (<10 cents)
Anticollision	Good	Low	Good
Read speed	Low	Low	High
Threshold power	Yes	No	No
Bits	High	Low	High
Rewritable	Yes	No	No
Market available	No	No	Yes
Integration with packaging	Yes	Yes	No
Sensing	Yes (various)	Yes (various)	Yes (temperature)