Here’s more information about the "tool tracking" RFID reader from the company that makes them: <a href="http://www.thingmagic.com/applications-overview/toollink-by-dewalt/8-applications/40-toollink-by-dewalt%20class=home_splitcol_module" rel="nofollow">http://www.thingmagic.com/applications-overview/toollink-by-...</a><p>(I work with ThingMagic’s other readers, but haven’t gotten the chance to try that one yet)