None that I'm aware of - the only one of particular concern (and only in Europe), is the 5.470-5.725 band since it's required there to run .11h to ensure no interference with their aircraft radar systems.
Frankly, the only place you'd see this is in an airport in Europe and the only device that needs to worry about it are AP and Stations in use at those locations. We have yet to see a instance in Europe that has had this issue. As higher level standards in 802.11 call for more AP control, this will become more valuable in ensuring less co-channel interference across heterogeneous environments. But, it will also mean less need for IT intervention as the access device will make these complex decisions themselves - thus removing needs for high level RF expertise. Regards, Jon -----Original Message----- From: Frank Bulk - iNAME [mailto:[EMAIL PROTECTED] Sent: Monday, November 19, 2007 5:49 AM To: WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU Subject: Re: [WIRELESS-LAN] 802.11n tied to 802.3at Do any of the bands have lesser/no DFS requirements? If so, those are will be more attractive. Frank -----Original Message----- From: Jon Freeman [mailto:[EMAIL PROTECTED] Sent: Monday, November 19, 2007 6:32 AM To: WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU Subject: Re: [WIRELESS-LAN] 802.11n tied to 802.3at The most used indoor bands will likely be the two lower bands (5.150-5.250 and 5.250-5.350 which have power in the 40mW and 200mW levels respectively), the two upper bands will likely be used more frequently outdoors (due to their higher upper power level limits of 1000mW and 800mW). There are other factors such as station supplicant/radio support for the added bands (newer devices should support all of them - but they're new so you should double check). Still, some of the upper bands might be used indoors in higher capacity applications. And who doesn't want more capacity? Jon -----Original Message----- From: Dale W. Carder [mailto:[EMAIL PROTECTED] Sent: Sunday, November 18, 2007 9:10 PM To: WIRELESS-LAN@LISTSERV.EDUCAUSE.EDU Subject: Re: [WIRELESS-LAN] 802.11n tied to 802.3at On Nov 18, 2007, at 7:06 PM, Kevin Miller wrote: > One thing to note is that 300Mbps as a symbol rate is only possible > with 40MHz channels (versus the 20MHz standard width for 802.11a/b/ > g) .. which in 2.4GHz takes you from 3 non-overlapping to 1 non- > overlapping. In 5GHz you have at least 8 40MHz non-overlapping > channels. Likewise, does anyone have a feel for which bands within 5GHz will be commonly used indoors? Dale ********** Participation and subscription information for this EDUCAUSE Constituent Group discussion list can be found at http://www.educause.edu/groups/. ********** Participation and subscription information for this EDUCAUSE Constituent Group discussion list can be found at http://www.educause.edu/groups/. ********** Participation and subscription information for this EDUCAUSE Constituent Group discussion list can be found at http://www.educause.edu/groups/. ********** Participation and subscription information for this EDUCAUSE Constituent Group discussion list can be found at http://www.educause.edu/groups/.
