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March 30, 2011
For 125 kHz tags you’d use something more like this:
It isn’t likely you could attach a UHF antenna and get good results.
The read range with the model linked to says 120 mm. Other models get more but that’s with their internal antenna.
Can anyone confirm that this board actually works with the Universal Reader software? I was able to fish around and find and download the software and get it installed. Soldered in a header and connected a FTDI. The red light on the board lights up, software gives all indications of connecting, but can’t get tag data to show in the application screen. Log files show some kind of activity but not making sense to me. My RFID tags are a couple of years old, but I’m –pretty– sure they’re GEN2. Guess I’ll order a couple tags from here to see if that’s the problem.
UPDATE: I purchased some tags from SparkFun (non-sticky https://www.sparkfun.com/products/14147) and the reader works flawlessly with them. I guess EPCGlobal GEN2 standards have changed since 2005 when my old tags were manufactured. Now that I have working product maybe I can figure out why the old ones don’t work.
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