Terminologies explained

Terminologies explained

There are many terms used in the M2M/ IoT/ Telecom world that can be confusing. Here’s an attempt to make sense of it.

Terms Meaning
2FF Standard/ Traditional SIM (2nd form factor)
3FF Micro SIM (3rd form factor)
4FF Nano SIM (4th form factor)
3-in-1 plug-in SIMs SIMs that can be broken into Standard, Micro and Nano SIM form factors
MFF2 Standard embedded SIM Surface Mounted Device (SMD) (Machine form factor 2)
Embedded SIMs (eSIMs) SIMs that can be embedded into devices, not meant for plug-in slots typically found in handsets. The machine Form Factor with the widely accepted Surface Mounted Device (SMD) form factor now being MFF2.
Standard grade SIMs Operational within a temperature range of -25°C and +85°C
Industrial grade SIMs Produced with higher resistance with an expanded temperature range of -40°C and +105°C. Other factors such as corrosion and impact on SIMs from vibrations were also improved.
Automotive grade SIMs Purpose built to comply with the automotive sectors’ tough quality management standards (such as PPAP, AEC-Q100) and with higher data retention span (15-17 years).
eUICC While previously, a SIM would belong to a particular network operator, the eUICC allows the user to take control of the connectivity.
Subscription Management Referred to also as Remote SIM Provisioning Platform, it is the counterpoint to interact with eUICC SIMs to manage profiles on a SIM.

 

Next article FAQ - platform