SIM card 1.8V / 3V sensing

Sep 19, 2011 2 Replies

Can anyone steer me in the right direction of an article how one is meant to determine if a SIM card is of the 1.8V, or the 3V variety?



Many thanks in advance.



Mike Perkins Video Solutions Ltd www.videosolutions.ltd.uk

I suppose it works.

- Brian

Many thanks. I had already spend far more than a few minutes searching and believed there might have been a more subtle way of finding out, rather than a "does it work at 1.8V, and if not, let's try at 3V"!!

Mike Perkins Video Solutions Ltd www.videosolutions.ltd.uk

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