An RFID (Radio-Frequency Identification) reader is a device used to read and decode information embedded in an RFID card or tag. It communicates with the RFID card or tag through radio frequency signals and reads data from it.
Basic principle of payment pos machine.
The 4 in 1 Multifuncational EMV Credit Card Reader Writer is a small device that can insert MMC, SD, MS, and SM cards
Multi-function card readers are divided into contact card readers, contactless card readers, single-interface card readers and dual-interface card readers, and multi-card holder contact readers.
The MPOS machine realizes the function of replacing the conventional IC card with the SIM card through the mobile phone card in the mobile phone.
Align the bright end of the scanning gun with the barcode of the item.