Simultaneous Multiple PDP context

IoT Modules LTE Standard Module
1

Hi,

for our client we have to project an IoT solution with 2 PDP simultaneous context.

We need one modem which can manage:

  • IP1 with APN 1
  • IP2 with APN 2

Communication with both IP need to be simultaneous. Is this possible with a single SIM?

Thanks

2

Hi There,

Yes, in general this is possible with a single SIM, provided that the modem, firmware, and network/operator all support multiple PDP contexts simultaneously.

In this case, the modem would need to support two active PDP contexts at the same time, for example:

  • PDP context 1 → APN 1 → IP1
  • PDP context 2 → APN 2 → IP2

Both data sessions can then run in parallel.

However, there are a few points that need to be confirmed:

  1. Module capability
    Not all modems support simultaneous active PDP contexts for user data.
  2. Network/operator support
    Some operators allow multiple PDP contexts on one SIM, while others may restrict this behavior.
  3. Application / protocol handling
    The software must be able to bind each connection to the correct PDP context.

Yes, it can be possible with a single SIM, but it depends on the specific module and operator support.

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