Adding Michael and the wireless-regdb list. Please use that list for further reviews. Luis On Mon, Oct 25, 2010 at 2:37 PM, Robert Gr?nning <slimg at iggu.org> wrote: > It seems like NO is wrong according to Norwegian rules > > This is how NO currently looks like in wireless-regdb-2009.11.25.tar.bz2 > -------------------START------------------- > country NO: > ? ? ? ?(2402 - 2482 @ 40), (N/A, 20) > ? ? ? ?(5170 - 5250 @ 40), (N/A, 20) > ? ? ? ?(5250 - 5330 @ 40), (N/A, 20), DFS > ? ? ? ?(5490 - 5710 @ 40), (N/A, 27), DFS > --------------------END-------------------- > > This is what the Norwegian rules say about general usage of frequencies > for wi-fi: > Note: The following text is a translation from a subsection of the > following document written in Norwegian: > http://www.lovdata.no/for/sf/sd/xd-20090602-0580.html#7 > -------------------------------------START-------------------------------------- > (3) the frequency band 5150-5350 MHz is authorized for indoor data > transfer > including radio-based local area networks (WAS / RLAN) with a maximum > radiated > power of 200 mW eirp the frequency use defined in the standard EN 301 893 > If any > other use than indoor use, the average spectral density in the frequency > band > 5150-5350 MHz is limited to 10 mW / MHz eirp in any 1 MHz range. > > (4) the frequency band 5470-5725 MHz may be used for data transfer with > maximum > radiated power of 1 W eirp Maximum average spectral density shall not > exceed > 50 mW / MHz eirp in any 1 MHz band. The radio equipment shall implement > transmit > power control (TPC) which provides an average attenuation of at least 3 > dB. If > TPC is not in use, the maximum allowed radiated power and power density is > 3 dB > lower than that following the first and second sentence. The radio > equipment will > use Dynamic Frequency Selection (DFS) as specified in the standard EN 301 > 893 > > (5) The frequency bands 5725-5795 MHz and 5815-5850 MHz for data transfer > with > maximum radiated power of 4 W eirp Maximum average spectral density shall > not > exceed 200 mW / MHz eirp in any 1 MHz band. The radio equipment shall > implement > Dynamic Frequency Selection (DFS) as specified in the standard EN 302 502 > Radio > equipment shall transmit power control (TPC) which provides an average > attenuation of at least 3 dB. If TPC is not in use, the maximum allowed > radiated > power and power density is 3 dB lower than that following the first and > second > sentence. On the border between Norway and neighboring power density shall > not > exceed -122.5 dBW / m 2 measured with a reference bandwidth of 1 MHz > unless > otherwise stated in the coordination agreement. > > (6) The frequency bands 5725-5795 and 5815-5850 MHz for point-to-point > radio > links with maximum radiated power of 200 W eirp Maximum permitted power > supplied > antenna is 1 W. The maximum average spectral density shall not exceed 10 W > / MHz > eirp in any 1 MHz band. The concept of point-to-point radio links exclude > all > forms of point-to-multipoint, omnidirectional systems and transmitters > send the > same information located in the same place (sector antennas). The radio > equipment > shall implement Dynamic Frequency Selection (DFS) as specified in the > standard > EN 302 502 On the border between Norway and neighboring power density > shall not > exceed -122.5 dBW / m 2 measured with a reference bandwidth of 1 MHz > unless > otherwise stated in the coordination agreement. > --------------------------------------END--------------------------------------- > > Here is the link to google english-translated section mentioned above: > http://translate.googleusercontent.com/translate_c?hl=no&sl=no&tl=en&u=http://www.lovdata.no/for/sf/sd/xd-20090602-0580.html&rurl=translate.google.com&usg=ALkJrhhGbQPtCjONnilyHdAgh1NwIZhFVA#7 > > According to that documentation, NO should probably look like this > instead: > -------------------START------------------- > country NO: > ? ? ? ?(2400 - 2483.5 @ 40), (N/A, 20) > ? ? ? ?(5150 - 5350 @ 40), (N/A, 23) > ? ? ? ?(5470 - 5725 @ 40), (N/A, 27), DFS > --------------------END-------------------- > > Question 1: > The norwegian laws also says that if TPC is available, then the maximum > allowed TX power > of the 5470 -> 5725 MHz frequency range changes from 27 dBm to 30 dBm, I > don't know how to write that in wireless-regdb. > > Question 2: > The norwegian laws for the 5470 -> 5725 MHz frequency range seem to exceed > the European restrictions in 802.11n-2009, I'm guessing that the upper 5725 > MHz frequency needs to be decreased to comply with the European > restrictions? if so, I'm not sure what frequency it should be decreased to. > > Question 3: > The norwegian documentation also mentions these radio frequencies for > wireless data transfer: > ?* 5725 -> 5795 MHz and 5815-5850 MHz: point-to-point radio links > ?* 17,1 -> 17,3 GHz: > ?* 57 -> 66 GHz: > Does these belong in the wireless-regdb as well? > > I hope my limited knowlege doesn't cause anyone unreasonable much work, > I'm really trying to get better at this. > > -Robert Gr?nning (Norway) > -- > To unsubscribe from this list: send the line "unsubscribe linux-wireless" in > the body of a message to majordomo at vger.kernel.org > More majordomo info at ?http://vger.kernel.org/majordomo-info.html >
