Return-path: Received: from mail-ob0-f177.google.com ([209.85.214.177]:36437 "EHLO mail-ob0-f177.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753656AbbHCSev (ORCPT ); Mon, 3 Aug 2015 14:34:51 -0400 Received: by obnw1 with SMTP id w1so105322602obn.3 for ; Mon, 03 Aug 2015 11:34:50 -0700 (PDT) Date: Mon, 3 Aug 2015 13:34:22 -0500 From: Seth Forshee To: Chen-Yu Tsai Cc: wireless-regdb@lists.infradead.org, linux-wireless@vger.kernel.org Subject: Re: [PATCH v2 4/5] wireless-regdb: Update 5GHz rules for US Message-ID: <20150803183422.GD21180@ubuntu-hedt> (sfid-20150803_203454_360449_682B59C3) References: <1437622380-4154-1-git-send-email-wens@csie.org> <1437622380-4154-5-git-send-email-wens@csie.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: <1437622380-4154-5-git-send-email-wens@csie.org> Sender: linux-wireless-owner@vger.kernel.org List-ID: On Thu, Jul 23, 2015 at 11:32:59AM +0800, Chen-Yu Tsai wrote: > The FCC increased the maximum conducted transmission power for the > U-NII-1 (5150 ~ 5250 MHz) band to 30 dBm or 1 W for master devices > and 24 dBm or 250 mW for mobile/portable devices. > > Effective 6/2/2014. > > See FCC KDB 905462 D06. > > Signed-off-by: Chen-Yu Tsai > --- > db.txt | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/db.txt b/db.txt > index cadd52c..29ba4b6 100644 > --- a/db.txt > +++ b/db.txt > @@ -1160,7 +1160,7 @@ country UG: DFS-FCC > > country US: DFS-FCC > (2402 - 2472 @ 40), (30) > - (5170 - 5250 @ 80), (17), AUTO-BW > + (5170 - 5250 @ 80), (30), AUTO-BW The 30 dB limit is for devices in master mode, for clients the limit seems to be 250 mW (about 24 dB). Given the TPC requirement for U-NII devices the most it could be bumped up to is 21 dB, unless there's some other reason I don't know about to keep it at 17 dB.