The FDA is fast-tracking the COVID-19 vaccine, and it is ready in some areas. However, a key distribution factor posed a major challenge: keep it cold and refrigerate.

NFC is a short-range, high-frequency radio technology. The NFCIP-1 standard stipulates that the communication distance of NFC is less than 10 cm, the operating frequency is 13.56MHz, and the transmission speed can be 106Kbit/s, 212Kbit/s or 424Kbit/s. NFCIP-1 specifies in detail the transmission sp......

The handheld rfid reader is a device that uses radio frequency identification technology to achieve electronic tag information collection, transmission and communication functions. It has the characteristics of fast group reading, long-distance reading, and long service life, so handheld rfid read a......

Radio frequency identification (RFID) is a kind of automatic identification technology. It carries out non-contact two-way data communication through radio frequency, and uses radio frequency to read and write recording media (electronic tag or radio frequency card), so as to achieve the purpose of ......

RFID reader (reader) through antenna and RFID electronic tag wireless communication, can realize the label identification code and memory data read or write operation. A typical reader consists of a high frequency module (transmitter and receiver), a control unit, and a reader antenna.

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