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Industrial Networks (INet) is the leading provider of railyard automation and data acquisition systems for manufacturing and shipping operations in North America. Our expertise touches operations run by rail shippers, short line and Class I railroads, trucking, marine freight, and more. Beginning in the early 90's, the Class I railroads adopted a form of passive Radio-Frequency Identification, Automated Equipment Identification (AEI), as their form of tracking railcars.

How Do AEI Tags Work?

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AEI (Automated Equipment Identification) tags are passive RFID (Radio Frequency ID) tags utilized exclusively by the American Association of Railroads for freight rail traffic. They are placed on both sides of a railcar about four feet above the rail.Positioned on either side of railcar about four feet above the railway itself, tag data is retrieved from a scanner via radio signal, so there’s no need to replace any batteries or charge the tags in order to keep them powered. Picture the scanner you use to scan produce at the grocery store – instead of light, AEI systems utilize a 900 MHz radio signal. 

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