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Originally Posted by tw
As best I can tell (I had to get numbers that were not provided and should have been provided), both examples under ideal conditions are readable up to 10 meters.
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Hi.
I'm Clodfobble's husband. For years now, she has participated in lively conversations with many people on the Cellar. Some of these interested me greatly, but for years now, I have never once posted, nor even really read the threads. I want to mention this to provide background and perhaps a little weight to what I'm about to say:
You, sir, are a moron.
My wife's post was was stating that TX Tag was an RFID device, which you dismissed because you were not personally familiar with TX Tag, but instead based your assumptions (a dangerous thing for an engineer), on the older EZ Pass technology. You stated that the reporter must be a "technically naive reporter", when in fact you were the technically naive one. A simple google search for TX Tag gave the Wikipedia article which validated the manufacturer as Transcore's eGo product. A quick
click there gave the frequencies for these devices. You want to complain about the ranges? Fine. Go ahead. But I might note that the TX Tag is a passive 900Mhz RFID system,
currently in use. I'm willing to bet that the engineers that tested the system are happy that the tags are responsive within a range acceptable for operation on the tollways (which are certainly greater than 3 meters, but probably less than 10). But then again, no one was asking about that.
It's OK to be wrong. Sure, it hurts your street cred a little, and all the younger engineers start eyeing you like they're going to challenge you for dominance in the RF engineering pack, but it's much less painful then continually driving the wrong point home over and over again.
So ends my first (and probably last) Cellar post.