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Comment by bilekas | Hacker News Reader

I feel really old thinking that i remember the model of sim cards that were credit card size and not shown in the diagram.

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Not just old but early adapter I believe, because when cell phones became really mainstream it was already the mini-sim format!

I remember watching someone insert a credit-card sized SIM into a StarTAC when I was a kid.

It blew my mind, it looked like a Star Trek communicator.

You still get them in that format (but breakaway into smaller formats) if you buy a bring-your-own-sim kit from many carriers.

Where? Here you can get the "breakaway into smaller formats" thing but not credit-card sized, the biggest size is Mini SIM.

All the sims I have ever received(US) come as a credit card sized item(looks like a smart card) and you break out the size you need. (sim, mini sim, micro sim)

Here in UK you get that from most carriers.

Any US carrier, in my experience.

https://www.flyamz.com/storage/2020/03/USA-SIM-Card-New-ATT-...

https://images5.tanganetwork.com/prod?bucket=tanga-fetched-i...

https://m.media-amazon.com/images/I/61bYyPhpYoL._AC_SL1200_....

TIL the 1FF size for SIMs (see image at https://mobile.twitter.com/phone_museum/status/1287310071907...). Thanks!

Pretty sure the parent is referring to the obsolete 1FF variant, e.g. [1]. The intent back then was to use your personal SIM on a shared cellphone.

[1] https://www.telecomkhabar.com/wp-content/uploads/2019/10/C30...

Yes, carriers in EU still send out SIM cards in that format, but you can break the edges off to turn it into miniSIM, microSIM or nanoSIM.

e.g., https://m.media-amazon.com/images/I/617HebHVIAL._AC_SY355_.j...

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