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How to know the precise size of id class 1, micro sim, nano sim?

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Jayden
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How to know the precise size of id class 1, micro sim, nano sim?

Post by Jayden » Thu Jun 21, 2018 1:29 am

I'm a newbie to this industry. Sorry for my poor knowledge.
My question is How to know the precise size of id class 1, micro-sim, nano-sim? And what are pins define?
Where can I find all officer specifications about my questions?

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Ellisun
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Re: How to know the precise size of id class 1, micro sim, nano sim?

Post by Ellisun » Thu Jun 21, 2018 1:51 am

Hello,
There are specific specification to define this, you can refer to the attachments of 4.0 UICC Form Factors.

The micro SIM card:


The nano SIM card:


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chico0609
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Re: How to know the precise size of id class 1, micro sim, nano sim?

Post by chico0609 » Thu Jun 21, 2018 2:05 am

FYI:
The following fig shows all the SIM format described in the specifications: Full-size vs Mini-SIM vs Micro-SIM vs Nano-SIM vs Embedded-SIM.

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