For an Electronic Toll-Collection System, What Memory Is Read by the Interrogator for the Transaction?

By RFID Journal

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Ask The ExpertsFor an Electronic Toll-Collection System, What Memory Is Read by the Interrogator for the Transaction?
RFID Journal Staff asked 7 years ago

Is it the Electronic Product Code (EPC) memory or the user memory?

—Name withheld

———

For electronic toll-collection systems that use passive UHF tags, the serial number encoded in the tag’s EPC memory is read. This number is associated with a specific account in a database, and that account is charged the toll fee whenever that serial number is read. Currently, only a small percentage of bridge and highway operators use passive UHF tags, but that percentage is growing (see Efforts to Aid Adoption of ISO 18000-6C RFID for Toll Collection Move Forward).

—Mark Roberti, Founder and Editor, RFID Journal

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