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Small But Mighty SIM Technology

Tiny SIM cards play a big role in exactly where and how a device connects to a private mobile network.

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Physical and embedded SIM (eSIM) cards play a big role in exactly where and how a device connects to a private LTE and 5G wireless network.

Check out Episode 13 of Office Hours to get answers to questions like…

  • How do SIM cards work to connect devices to a private mobile network?
  • Can a device have more than one SIM card? How would that be useful?
  • What’s the difference between a physical SIM and an embedded SIM (eSIM)?
  • How can SIM cards be remotely provisioned and updated with new profiles?

Key Takeaways

  • SIM cards store a device's identity, security keys, certificates, and subscriber information.
  • There are two variations of SIM, physical and embedded. An embedded SIM (eSIM) can be downloaded where a physical SIM needs to be installed on the device.
  • QR codes can be used to download an embedded SIM profile onto smart devices, simplifying installation and management.
  • SIM cards can also be remotely provisioned over wifi, allowing enterprises to leverage their existing wireless network as they build their private LTE / 5G wireless infrastructure.


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