[wireless-regdb] [PATCH v2 4/5] wireless-regdb: Update 5GHz rules for US
Seth Forshee
seth.forshee at canonical.com
Mon Aug 3 11:34:22 PDT 2015
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 <wens at csie.org>
> ---
> 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.
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