On Fri, Jan 16, 2015 at 07:42:12PM -0800, Daiwei Li wrote: > Hello, > > We've found that our devices can't seem to operate on certain > frequencies (e.g. 5660MHz) being used by access points like the Apple > Airport Extreme and Asus RT-AC68U. I did a git bisect and found that > 31dc1c5eca29d039ac8f26340defe44bd7e497c1 removed that band amongst > others. A more recent [1] FCC source implies that these frequencies > should be usable with DFS. > > Does anyone know the source for the commit that removed these frequencies from? The patch came from QCA. I'm adding Jouni to the Cc. Jouni, any comments? > Below is a patch that adds back these frequencies: > ------------------------------------------------------------------------------------- > wireless-regdb: Add back regulatory rules for US > > The FCC approved UNII devices operating in the > 5470 - 5725MHz range with radar detection and DFS > capabilities. See the [1] source for details. > > [1] https://apps.fcc.gov/oetcf/kdb/forms/FTSSearchResultPage.cfm?id=41732&switch=P > > Signed-off-by: Daiwei Li <daiweili at suitabletech.com> This looks reasonable based on the documentation you linked to. I'm not certain about the EIRP values, but that's at least consistent with what was there before (i.e. they match the EIRP for the first DFS frequency range). I'm going to wait a bit to see if anyone has any comments about the patch, and if no one objects I'll apply it. Thanks, Seth
