SUBJECT AREA Arts entertainment
CREATED ON 27th March 2018

What Is Radio Frequency Identification Essay

Theme: Radio Frequency Identification (RFID). Radio Frequency Identification (RFID, is a automatic identification technology that uses electromagnetic or electrostatic coupling in the radio frequency to identify an object, animal or person. RFID is made up of three components: a scanning antenna, a transceiver with decoder along with a transponder. The antenna found in the RFID tag transmits a signal that activates a transponder via waves. The RFID tag or transponder transmits the information back to the antenna providing information like product identification, location status or pricing. The transmitted data signals a programmable controller, which routes the applicable data for appropriate action. . (1) There are two kinds of RFID systems which can be used and they are classified as reduced frequency and higher frequency. Low frequency operates in a 30KHz - 500KHz range and has an operating array of approximately six feet. High frequency functions within an 850MHz - 950MHz and 2.4GHZ вЂ" 2.5GHz range and its own functioning range surpasses 90 feet. Greater frequency techniques have a tendency to be more expensive than low frequency systems. (1) RFID technology employs two distinct types of tags, active or passive, to read, write and transmit data. Active tags have an internal battery source and are primarily read and write. Active tags produce longer read ranges than passive tags and are larger, heavier and much more expensive. Since active tags are dependent on an internal battery, they have a limited life span of up to ten decades. Conversely, passive tags rely upon an outside power source and are smaller, lighter and less expensive than active tags. Passive tags have a very long life span, but have a shorter read range and require more powerf...

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