What technologies to use to write your own protocol based on a factory wifi card?

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eegmak2021-03-14 02:08:03

Electronics

eegmak, 2021-03-14 02:08:03

What are the possibilities for managing a wifi adapter outside of its conceptual purpose?
At what level can you access the radio part of the adapter?
Is it possible to make a protocol with many times the duration of zero and one, or similar to LoRa?

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VT100, 2021-03-14
@VT100

1. If it is possible to control the transceiver by the baseband, then you can try. This requires documentation. But it's easier to find a separate transceiver or a scarf with it.
2. Qualkomm does not work with hobbyists, only OEM/ODM. So - only attempts to decompile and hack their BLOBs. And it is necessary, in the presence of other chips?
3. Haven't read the LoRa specs - is there a 2.4GHz band? The word LOng hints that - no.
PS It seems to me that in such a mass-market as WiFi, in principle, FPGAs are not used.