Would you be able to provide a benchmark of these devices?
I’m afraid we do not have the resources to benchmark passive ultrahigh-frequency (UHF) readers, and I have not seen any benchmarking reports that would allow me to provide insights into different models’ performances. Generally speaking, though, I would say that Alien‘s ALR-9680 is a good fixed reader that can be used for a variety of applications. To my knowledge, Impinj does not offer a reader called “CS420,” but its Speedway Revolution model is considered a high-end reader that is used in applications for which interrogating tags can be challenging.
—Mark Roberti, Founder and Editor, RFID Journal
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