Requirements for eSIM

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An embedded-SIM (eSIM) or embedded universal integrated circuit card (eUICC) is a form of programmable SIM card that is embedded directly into a device. The surface mount format provides the same electrical interface as the full size, 2FF, and 3FF SIM cards, but is soldered to a circuit board as part of the manufacturing process. In machine to machine (M2M) applications where there is no requirement to change the SIM card, this avoids the requirement for a connector, improving reliability and security. An eSIM can be provisioned remotely; end-users can add or remove operators without the need to physically swap a SIM from the device.


In order to use eSIM with Teltonika FM devices, some basic requirements must be met.


eSIM dimensions

Must match standard MFF2 eSIM size:

ESIMreq.jpg
















eSIM pin-out

There are two default eSIM pin-outs:

Pin-outs.jpg










The only difference in pin-outs is the IO pin – 2 or 3. Both versions of pin-outs are suitable for devices with eSIM.

Requirements for eSIM packing reel:

13“ in diameter.

Compatibility with Teltonika FM devices

Project Current SIM configuration Possibility to solder eSIM? Possibility to have eSIM + another SIM?
FMB110/FMB120/FMB130/FMB140/FMB230/FMB240 Micro SIM Yes Yes. Micro SIM + eSIM *

FMB122/FMB125/FMB225

Dual Standard SIM Yes Yes. Standard SIM + eSIM *

FMC125/FMM125/FMC225

Dual Standard SIM Yes Yes. Standard SIM + eSIM *
FMC130/FMM130/

FMC230/FMM230

Micro SIM Yes Yes. Micro SIM + eSIM *
FMB202/FMB204/FMB206 Micro SIM Yes Yes. Micro SIM + eSIM *
FMB209 Micro SIM Yes Yes. Micro SIM + eSIM *
FMB900/FMB920 Micro SIM Yes Yes. Micro SIM + eSIM *
FMC920/FMM920 Micro SIM Yes No. Only 1 SIM type can be used (either eSIM or Micro SIM)
FMB910 Micro SIM Yes No. Only 1 SIM type can be used (either eSIM or Micro SIM)
FMB965 Nano SIM Yes No. Only 1 SIM type can be used (either eSIM or Nano SIM)
FMB930 Micro SIM Yes Yes. Micro SIM + eSIM *
FMC650/FMM650 Dual Standard SIM Yes Yes. 2 x eSIM Possible
FMB641 Dual Standard SIM Yes Yes. 2 x eSIM Possible
FMB001/FMB010 Micro SIM Yes Yes. Micro SIM + eSIM
FMB002/FMB020/FMB003 Nano SIM No No
FMM001/FMC001 Micro SIM Yes No. Only 1 SIM type can be used (either eSIM or Micro SIM)
FMT100 Micro SIM Yes. Special Hardware No. Only 1 SIM type can be used (either eSIM or Micro SIM)
FMC003/FMM003 Micro SIM Yes No. Only 1 SIM type can be used (either eSIM or Micro SIM)

* - On special Request