RFID<br />RFID = Radio Frequency Identification<br />Electronic labeling and wireless identification of objects using radio frequency <br />Tag carries with its information<br />a serial number<br />Model number<br />Color or any other imaginable data<br />When these tags pass through a field generated by a compatible reader, they transmit this information back to the reader, thereby identifying the object<br />
RFID components<br />A basic RFID system consists of these components:<br />A programmable RFID tag/inlay for storing item data; <br />Consisting of an RFID chip for data storage <br />an antenna to facilitate communication with the RFID chip <br />A reader/antenna system to interrogate the RFID inlay <br />Application software and a host computer system<br />
RFID Tag<br />The RFID tag consists of an integrated circuit (IC) embedded in a thin film medium.<br />Information stored in the memory of the RFID chip is transmitted by the antenna circuit embedded in the RFID inlay via radio frequencies, to an RFID reader<br />3 types<br />Passive<br />Semi-passive<br />Active<br />
Conclusion<br />Positive<br />RFID is a contactless reading technology and can read through other materials<br />Hold more data than barcode does<br />RFID tags data can be changed or added<br />More effective, bring lots of convenience to us<br />Negative<br />Cost is relatively remain high (compare to barcode)<br />RFID signals may have problems with some materials<br />RFID standards are still being developed<br />
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