Tag RFID a doppia frequenza anti-metallo duro
RFID (Identificazione a radiofrequenza) is a wireless communication technology that achieves contactless data transmission and information identification through electromagnetic fields or electromagnetic waves. A typical RFID system consists of a tag, un lettore, and an antenna.Dual-frequency RFID: Dual-frequency RFID tags support two different frequency bands at the same time, such as ultra-high frequency (UHF) e…