On Thu, Jul 23, 2015 at 11:32:56AM +0800, Chen-Yu Tsai wrote: > Taiwan's Ministry of Transportation and Communications revised its > frequency allocation rules [1] on 2014/11/17, allowing usage of 5600 ~ > 5650 MHz, previously allocated to weather radars, to U-NII applications > with DFS support. > > Also, the technical regulations [2] show that for 5470 ~ 5725 MHz U-NII > applications, the peak transmit power shall not exceed the lesser of > 250 mW (slightly less than 24 dBm) or 11 dBm + 10log B, where B is the > 26dB emission bandwidth in MHz. This is slightly more than 23 dBm for > 20 MHz channels. > > This patch updates both. Also add links to the two documents into the > database. > > [1] http://www.motc.gov.tw/websitedowndoc?file=post/201411171137330.doc&filedisplay=Table+of+radio+frequency+allocation.doc > [2] http://www.ncc.gov.tw/english/show_file.aspx?table_name=news&file_sn=681 > > Signed-off-by: Chen-Yu Tsai <wens@xxxxxxxx> Sorry for the slow response to these patches. > --- > db.txt | 10 ++++++++-- > 1 file changed, 8 insertions(+), 2 deletions(-) > > diff --git a/db.txt b/db.txt > index 982db34..5114557 100644 > --- a/db.txt > +++ b/db.txt > @@ -1118,11 +1118,17 @@ country TT: DFS-FCC > (5490 - 5730 @ 160), (24), DFS > (5735 - 5835 @ 80), (30) > > +# Source: > +# Table of Frequency Allocations of Republic of China (Taiwan) / Nov 2014: > +# http://www.motc.gov.tw/websitedowndoc?file=post/201411171137330.doc&; \ > +# filedisplay=Table+of+radio+frequency+allocation.doc > +# LP0002 Low-power Radio-frequency Devices Technical Regulations / 28 Jun 2011: > +# http://www.ncc.gov.tw/english/show_file.aspx?table_name=news&file_sn=681 > +# (section 3.10.1, 4.7) > country TW: DFS-JP > (2402 - 2472 @ 40), (30) > (5270 - 5330 @ 40), (17), DFS > - (5490 - 5590 @ 80), (30), DFS > - (5650 - 5710 @ 40), (30), DFS > + (5470 - 5725 @ 160), (23), DFS Based on [2], it looks like this range requires TPC, in which case the power limit should be dropped by 3 dB on account of our not supporting TPC. -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
