Other than a UHF RFID reader, are there any other alternatives? I'm looking for a low-cost device that could detect if our tags were still working on returned merchandise, without our having to take them to a reader.
The only thing I can think of is using a sled that could slide onto a mobile phone and would enable you to read tags. I am unaware of any simple, low-cost device that could emit a signal and receive a reply from a tag. I suggest you attend RFID Journal LIVE! 2020 and meet with the companies exhibiting there to find out if any of them offer what you seek.
—Mark Roberti, Founder and Editor, RFID Journal
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