The Eikon works, but there are a few minuses.
1) It sticks out from the side of a laptop, which makes it vulnerable to being damaged. I usually use it, then remove it.
2) Since it just connects by the USB connector, it doesn't feel very stable. Once you get used to swiping your finger without applying much pressure, that isn't a problem.
3) The Protector Suite software (which I also use with another fingerprint reader) is marginal. They also charge for all upgrades.
4) The software is not yet available for the Mac, although they've been promising it awhile.
So I've had mixed results with the Eikon, but I haven't…
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