How RFID Anti-Collision Works: Reading Hundreds of Tags at Once
Hundreds of tags all wake and respond at once when a reader energises its field, and every reply collides. Anti-collision protocols, from Slotted Aloha to EPC Gen2's adaptive Q-algorithm, are…
RFID Standards and Protocols: EPC Gen2, ISO 18000, and Beyond
EPC Gen2, formally ISO 18000-63, is the reason a tag from one manufacturer answers a reader from another anywhere in the world. A guided tour of the standards stack behind…
Choosing RFID Software: Build vs Buy vs Configure
Custom RFID software typically takes six to eighteen months to build, and five-year ownership costs run three to five times the initial estimate. Off-the-shelf platforms deliver value in days but…
Impinj R700 Firmware 10.4 Adds Wi-Fi Dongle Support, REST API CORS Control and Four New R700v2 Regions
Impinj has issued firmware version 10.4 for its R700 series RAIN RFID readers. On paper it is a modest point release, but it clears two of the more tedious obstacles…
Anatomy of an RFID Tag: Chip, Antenna, Substrate
Every RFID tag, no matter how small or specialised, is built from just three core parts: a chip, an antenna, and a substrate. Understanding how these components work together is…
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