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RFID and manufacturing supply chain
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RFID (radio frequency identification) is a technology that incorporates the use of electromagnetic or electrostatic coupling in the radio frequency (RF) portion of the electromagnetic spectrum to uniquely identify an object, animal, or person. RFID is coming into increasing use in industry as an alternative to the bar code. The advantage of RFID is that it does not require direct contact or line-of-sight scanning. An RFID system consists of three components: an antenna and transceiver (often combined into one reader) and a transponder (the tag). The antenna uses radio frequency waves to transmit a signal that activates the transponder. When activated, the tag transmits data back to the antenna. The data is used to notify a programmable logic controller that an action should occur. The action could be as simple as raising an access gate or as complicated as interfacing with a database to carry out a monetary transaction. Low-frequency RFID systems (30 KHz to 500 KHz) have short transmission ranges (generally less than six feet). High-frequency RFID systems (850 MHz to 950 MHz and 2.4 GHz to 2.5 GHz) offer longer transmission ranges (more than 90 feet). In general, the higher the frequency, the more expensive the system.
RFID is sometimes called dedicated short range communication (DSRC).
Learn more about RFID and manufacturing supply chain
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SAP RFID Guide
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Supply chain management (SCM) RFID guide
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Guide to manufacturing RFID problems and challenges
Guide - Learn about common manufacturing RFID problems and how to solve them in this guide. Read about the unique challenges of manufacturing RFID, how to know if your organization is ready for RFID and... -
Manufacturing RFID basics
Guide - Brush up on your manufacturing RFID basics with this guide. Learn about the RFID definition, how to build an RFID business case, and find answers to common questions about the basics of RFID. -
Mobile data collection software for warehouse management includes device programming, thin client op
Tutorial - Mobile data collection software helps manufacturers manage their warehouses. From RFID to voice-recognition units, mobile data collection keeps warehouses running.
last updated05 Mar 2002
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