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About RFID Solution
In active Tags systems, tags have their own transmitter and power source. Usually, the power source is a battery. Active tags broadcast their own signal to transmit the information stored on their microchips.
In passive Tag systems, the reader and antenna send a radio signal to the tag. The RFID tag then uses the transmitted signal to power on, and reflect information back to the reader.
Also known as sensors, interrogators or readers, a conduit between RFID tags and the coupler. Antennas connected to the reader emit power and data from and to the RFID tags.
The link between RFID tags and the server/pc, the coupler can send information in two directions, it can read information from a tag and send it to the server/pc (in write mode).