Would an X-ray suffice for this purpose, or would another type of procedure be necessary?
The best way to check for an implant would be to have an X-ray performed. RFID transponders have metal antennas that would show up in an X-ray. You could also look for a scar on the skin. Because the needle used to inject the transponder under the skin would be quite large, it would leave a small but noticeable scar. If you were to find such a mark, you could then attempt to read the tag beneath it, using an off-the-shelf low-frequency (LF) RFID interrogator. However, the tag and reader would need to use the same protocol—if they spoke different languages, then you would not receive a signal back from the transponder.
—Mark Roberti, Founder and Editor, RFID Journal
How would one test for the language, or identify the language in order to locate the chip. If this was an ordeal to locate how would one disable the communication from the host to the device while taking the time locate the device ?
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