The following connection types are supported by the SARA-R4:

1. AT interface

https://exelonix.atlassian.net/wiki/spaces/TD/pages/3750264946

2. Qualcomm MSM Interface

Recommended

https://exelonix.atlassian.net/wiki/spaces/TD/pages/3839918081

https://exelonix.atlassian.net/wiki/spaces/TD/pages/3797745675

3. Point-to-Point Protocol

Not recommended as it requires dynamic configuration of the tty device due to the USB enumeration order not being guaranteed, as well as configuration of chat scripts. It also does not allow concurrent AT commands and network support.

https://exelonix.atlassian.net/wiki/spaces/TD/pages/3776282632

Technical Documentations

LPWA - Linux

Analytics

1. AT interface

2. Qualcomm MSM Interface

3. Point-to-Point Protocol

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