[Retracted] Control Optimization Design of Radio Frequency Identification Technology in IoT Express Logistics Distribution System

Table 1

Operating frequency and reading range of passive UHF RFID.

Frequency range	Typical frequency	Read range	Tag price格
Low frequency (LF)	125–134 kHz	<0.5 m	1
High frequency (HF)	13.56 MHz	<1.0 m	0.5
Ultra high frequency (UHF)	865–928 MHz	1–10 m	0.15