rfid sniffer kit.Radio frequency identification (RFID) is an area of automatic identification that has quietly been gaining momentum in recent years and is now being seen as a radical means of enhancing data handling processes, complementary in many ways to other data capture technologies such as bar coding. RFID systems involve the use of robust tags that permits the operator to collect data and manage it in a portable, changeable database. A basic RFID system consists of three components: an antenna, a reader and a transponder, widely known as a tag. The antennas, attached to the reader and the tags, are the conduits between the two, which control the system’s data acquisition and communication. The tag contains an electronic microchip, as shown in Figure 1, which is fabricated as a low power integrated circuit (IC). Depending on the device application, the tag memory may comprise ROM, RAM, non-volatile programmable memory (EEPROM, Flash) and data buffers. Transponders are being developed and employed at different frequencies, ranging from the low frequency region of 125 kHz to the microwave region of 5.8 GHz to satisfy a wide range of applications. The applications include access control, automatic data collection, livestock tracking, inventory management and factory automation.




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