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An RFID reader (also called an interrogator) is

a device that can wirelessly communicate with RFID tags. It can detect the presence of RFID tags as well as send and receive data and commands from the RFID tags.[1]


RFID reader

The RFID tag and the reader must comply with the same standard in order to communicate. If a RFID tag is based on a proprietary design, a reader must support the same communication protocol to communicate with that RFID tag. In many cases, if proprietary RFID tags are used, only proprietary RFID readers from the same vendor can be used.