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laforge, 12/25/2016 10:17 PM

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*DISCLAIMER: No information here is officially provided by Qualcomm, Quectel or other modem manufacturers. It is the result of independent third-party research and should be taken with a a grain of salt*
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h1. Qualcomm based cellular data modems wih Linux
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This is the place where we gather information about the Quectel [[EC20]], [[EC21]] and [[EC25]] modules, as well as other Qualcomm based cellular modems with built-in Linux processor.
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Please help us to grow this resource for the benefit of the general public.  It is a shame that Qualcomm doesn't disclose proper documentation for their products to the general public.  There are many possible applications and use cases which are possible once more information about those devices is publicly available.  Having the power of running customer/user-specific programs inside the Linux in the modem is very powerful, and can for example eliminate the use of a dedicated external processor in many M2M/IoT applications.
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h2. Wiki structure
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Please see the below auto-generated hierarchical index of wiki pages:
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{{child_pages()}}
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h2. related reading
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https://media.defcon.org/DEF%20CON%2023/DEF%20CON%2023%20presentations/DEFCON-23-Mickey-Shkatov-Jesse-Michael-Scared-poopless-LTE-and-your-laptop-UPDATED.pdf
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https://www.blackhat.com/docs/us-14/materials/us-14-Solnik-Cellular-Exploitation-On-A-Global-Scale-The-Rise-And-Fall-Of-The-Control-Protocol.pdf
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h2. Information sources
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All information here is based on publicly found documents on the internet as well as studying the source code released by Qualcomm, Quectel and others as well as bits of reverse engineering on the devices themselves.  We commit to _legal_ forms of reverse engineering, such as running software in emulators, using tracing and debugging facilities.
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