[ale] OT: To catch a thief

[Jeff Hubbs]

Transcore is a manufacturer of those systems; I did contract work for 
them a while back.

On 9/5/12 6:35 PM, JD wrote:
> On 09/05/2012 05:53 PM, David Tomaschik wrote:
>> RFID has an effective range of inches.  Not something you can really
>> track down over a neighborhood.  (Yes, there are exceptions, but
>> generally, RFID is VERY short range.)
> Actually, there is powered RFID that has a much larger range - 100-300 feet.
> http://www.morerfid.com/details.php?subdetail=Post&action=details&post_id=25&step=show
>   No idea what the cost is, but they say it is used for tracking rail cars.
> There is probably someone from CSX lurking with more knowledge about these.
>
> Retailers have sensors for passive readers about 4 feet apart, so reading from
> 24-36 inches seems reasonable.  Not really good enough for this application.
>
> I still like the ink-pack best. ;)
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