The answer is, if someone is using your hotspot, it does use the same radio and channel your ssid is on.
On Wed, Dec 10, 2014 at 11:18 PM, Andrew Jones <a...@jonesy.com.au> wrote: > It reads to me like it's not a separate Wi-Fi radio on a different > channel, but just an additional SSID being broadcast: > http://wifi.comcast.com/faqs.html > ctrl+f "Does the new Home Hotspot impact my Internet speeds or data usage?" > > > > > On 11.12.2014 14:55, Phil Bedard wrote: > >> It won't overlap with the one you are using for yourself on the same >> device. >> >> DOCSIS has service flows with different priorities. I don't know if >> they are allocating specific channels for it or if it's just a >> different service flow, but either way it is a lower priority and >> should not cause contention with regular user traffic. >> >> Really it is just the power they seem to be complaining about. >> >> Phil >> >> -----Original Message----- >> From: "Harald Koch" <c...@pobox.com> >> Sent: 12/10/2014 10:21 PM >> To: "Mr Bugs" <b...@debmi.com> >> Cc: "NANOG list" <nanog@nanog.org> >> Subject: Re: Comcast thinks it ok to install public wifi in your house >> >> On 10 December 2014 at 21:50, Mr Bugs <b...@debmi.com> wrote: >> >> however they use a separate DOCSIS and 802.11 channel so if would follow >>> that it would be a separate IP tied to comcast corporate and not the >>> subscriber as well as not taking up your bandwidth. >>> >> >> >> >> IIRC there are only three non-overlapping channels on 802.11g and six on >> 802.11n; I can see more networks than that from my basement. >> >> I haven't been keeping up with the technology, but in the ancient of days >> wasn't the uplink side of DOCSIS also a limited-bandwidth, shared >> resource? >> > >