By mcbridematt
Most radio modules would have an embedded firmware that in addition to the radio handling, should enforce regulatory constraints (i.e preventing the use of 5GHz DFS channels if radar use is detected).
Building these firmware images is something you are (usually) only equipped to do under NDAs from the silicon manufacturer
My understanding (and what I have gathered from previous threads on the subject) is the FCC is going after the embedded radio firmwares, and mistakenly (or due to extreme lack of knowledge) named OpenWRT,DD-WRT as offenders.
Otherwise, the effect of this would be to outlaw PCIe and USB WiFi, Bluetooth etc. cards/adaptors unless sold inside a computer with a locked bootloader.
See more about this article by clicking the link here: https://news.ycombinator.com/item?id=10139869
mcbridematt comments on "FCC proposal to lockdown devices with a “modular wireless radio”"
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