And where can I find them, assuming they exist?
Many smartphones now come with a Near Field Communication (NFC) reader built into them. NFC is a form of passive high-frequency (HF) RFID technology. If you are looking for a device that can be used with your smartphone to read passive ultrahigh-frequency (UHF) tags based on the ISO 18000-6C standard, there are several available. U Grok It makes a handy little sled that your iPhone or Android phone can snap into, and it has apps that can be downloaded for free.
Microelectronics Technology Inc., a Taiwanese electronics firm, makes the Mini Me, which plugs directly into a micro-USB port. Touch Technologies, meanwhile, makes a case for the iPhone that supports passive UHF RFID readers; AsReader offers a similar device.
I have been sent links to various other snap-on UHF readers for smartphones, but I cannot vouch for their quality and thus won’t list them here.
—Mark Roberti, Founder and Editor, RFID Journal
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