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Yes, and the cheapest way to be compliant with that is to put the wifi chips in its own locked box, separate from the rest of the phone. There are several chips
by Sanddancer 11y ago
Yes, and the cheapest way to be compliant with that is to put the wifi chips in its own locked box, separate from the rest of the phone. There are several chips available right now, like the ath9k series, that already work like this. This issue really is a tempest in a teapot.
- PhasmaFelis 11y agoI'm repeating this in a few places because no one else in the thread seems to have found it yet: https://apps.fcc.gov/kdb/GetAttachment.html?id=1UiSJRK869RsyQddPi5hpw%3D%3D&desc=594280%20D02%20U-NII%20Device%20Security%20v01r02&tracking_number=39498 https://apps.fcc.gov/kdb/GetAttachment.html?id=1UiSJRK869Rsy... The relevant passage is "Describe in detail how the device is protected from 'flashing' and the installation of third-party firmware such as DD-WRT." The FCC is specifically mandating that all custom firmware must be blocked.
- Sanddancer 11y agoA) The relevant portions of the rules only apply to the 5 ghz band. 2.4 ghz doesn't have that set of rules. B) The document is not hard and fast rules, it's a set of guidelines to ensure that the device cannot operate out of the rules. So, putting the radio controls in a separate unflashable baseband chip would be ensuring that the radio is only operated by authorized software, while the rest of the router is operated by other software.
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