What is RFID (Radio frequency identification)
Radio frequency identification (RFID) RFID (radio frequency identification) is a form of wireless communication that incorporates the use of electromagnetic coupling in the radio frequency portion of the electromagnetic spectrum to uniquely identify an animal , object or person. Function of RFID Every RFID system consists of three components: 1. scanning antenna 2. transceiver 3. transponder. RFID Reader.(Scanning antenna & transceiver) When the scanning antenna and transceiver are combined, they are referred to as an RFID reader or interrogator. There are two types of RFID readers - 1. fixed readers 2. mobile readers. The RFID reader is a network-connected device that can be portable or permanently attached. It uses radio waves to transmit signals that activate the tag. Once activated, the tag sends a wave back to the antenna, where it is translated into data. RFID Tag (Transponder) The transponder is in the RFID tag itself. The...