On Tue, Feb 07, 2017 at 08:52:30AM +0100, Johannes Berg wrote: > On Mon, 2017-02-06 at 14:50 -0600, Seth Forshee wrote: > > + (5150 - 5250 @ 80), (23), AUTO-BW > > For 20 MHz this is right, since the document says: > > The maximum e.i.r.p. shall not exceed 200 mW or 10 + 10 log10 B, > dBm, whichever power is less. B is the 99% emission bandwidth in > megahertz. The e.i.r.p. spectral density shall not exceed 10 dBm in > any 1.0 MHz band. > > However, for < 20 MHz, like 5 or 10, which we in theory do support, you > can't use that much due to the spectral density requirement. It seems > possible that that's where the 17 dBm came from, since 10 + 10 log10(5) > is about 17. Yes, thanks. I had forgotten to consider bandwidths less than 20 MHz. Seth
