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SIM Form Factors | 1FF, 2FF, 3FF, 4FF

This page mentions SIM form factors. It covers dimensions of form factors viz. 1FF, 2FF, 3FF and 4FF.

SIM Form Factor Dimension Standard Reference Designation
1FF Height: 3.37 in
Width: 2.12 in
Depth: 0.02992 in
ISO/IEC 7810:2003, ID-1 Full size
2FF Height: 0.98425 in
Width: 0.59055 in
Depth: 0.02992 in
ISO/IEC 7810:2003, ID-000 Mini SIM
3FF Height: 0.59055 in
Width: 0.47244 in
Depth: 0.02992 in
ETSI TS 102 221 V9.0.0, Mini-UICC Micro SIM
4FF Height: 0.48425 in
Width: 0.34645 in
Depth: 0.02637 in
ETSI TS 102 221 V11.0.0 Nano SIM

Also refer difference between SIM and eSIM cards >> and advantages and disadvantages of eSIM card >> for more information.

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