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.


1. eSIM dimensions

Must match standard MFF2 eSIM size. A drawing is below:

ESIMreq.jpg
















2. 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.

Project Current SIM configuration Possibility to solder eSIM? Possibility to have eSIM + another SIM?
FMB100/FMB110/FMB120/FMB130 uSIM Yes Yes. uSIM - channel 1; eSIM - channel 2.
FMB100/FMB110/FMB120/FMB130 uSIM Yes Yes. uSIM - channel 1; eSIM - channel 2.
FMB140 uSIM Yes Yes. uSIM - channel 1; eSIM - channel 2.
FMU120/FMC120/FMM120 uSIM Yes No. There is not enough space on PCB
FMU122/FMC122/FMM122 Dual SIM Yes No. There is not enough space on PCB
FMU125/FMC125/FMM125 Dual SIM Yes No. There is not enough space on PCB
FMU126 Dual SIM Yes No. There is not enough space on PCB
FMU130/FMC130/FMM130 uSIM Yes No. There is not enough space on PCB
FMB202/FMB204/FMB206 (FL_noWD ver.) uSIM Yes Yes. uSIM - channel 1; eSIM - channel 2.
FMB207/FMB208 uSIM Yes Yes. uSIM - channel 1; eSIM - channel 2.
FMB900/FMB920 uSIM Yes Yes. uSIM - channel 1; eSIM - channel 2.
MTB100 uSIM Yes No. Both SIM's are connected to channel No 1. In order to have uSIM+eSIM, PCB re-diversion to channel No 2 would be needed.
FMB964/FMB962 uSIM Yes Yes. uSIM - channel 1; eSIM - channel 2.
FMC640/FMM640 Dual SIM Yes, enough space for 2xeSIM Yes. 2 x eSIM Possible
FMB640 Dual SIM Yes Yes. uSIM - channel 1; eSIM - channel 2.
FMB001/FMB010 uSIM Yes Yes. uSIM - channel 1; eSIM - channel 2.
FMB002/FMB020/FMB003 nano-SIM No -
FMM001/FMC001 uSIM Yes No
FM3001 uSIM Yes No
FM36M1 SIM Yes No
FM3612 SIM Yes No
FM6300 Dual SIM Yes, enough space for 2xeSIM Yes. 2 x eSIM Possible
TMT250 uSIM No
FMP100 eSIM

3. Requirements for eSIM packing reel:

13“ in diameter.