I am a type one diabetic and they just released a new advancement in technology. Its a sensor that transmits via NFC to your smart phone. But the range is one inch to be able to read the blood sugar. Is it possible to make a extender to pick up the nfc signals?
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Possible? Yes. Practical? Probably not.
This question might shed some light on yours. You'd need a pretty big antenna coil if you wanted to transmit a longer distance than one inch. Definitely not a size that could fit inside a smartphone comfortably. I think it'd be better to just use Bluetooth if possible.
NFC transmits through such small distances for mainly security purposes, so you'd want data like blood-sugar levels to be especially secure.
