You can take a look at what we do here: http://www.qorvus.com/images/ubnt_heatsink.jpg
The heatsinks are custom made for us, and we attach them with a heat-conductive plastic spacer with strong peel-off adhesive on both sides. We add them to SR9's and XR9s, both get pretty hot under load and since we install them in small outdoor cases that are often mounted in full Texas sun, adding the heatsinks seemed like a good idea. Tom S. ----- Original Message ----- From: "RickG" <[email protected]> To: "Tom Sharples" <[email protected]>; "WISPA General List" <[email protected]> Sent: Friday, June 05, 2009 6:56 PM Subject: Heatsink? Was: Cost of 900 MHZ CPE A heat sink? Are your radios in an enclosure? I've got mine in an outbuilding. It doesnt get too hot in there but perhaps I should consider? -RickG On Fri, Jun 5, 2009 at 3:32 PM, Tom Sharples<[email protected]> wrote: > The cards are more expensive to manufacture, due to lower volumes but also > the higher power they need to pump out (we add an external heat sink > because > they get too hot for our comfort), and the exotic filtering necessary to > get > them to work correctly on the very noisy 900Mhz band. The SR9 and XR9 are > not compatible becuase ubnt had to change modulation schema to overcome > the > noise and adjacent-channel interference to which the the SR9's are very > susceptible. > > Tom S. > > ---- Original Message ----- > From: "Steve Barnes" <[email protected]> > To: "WISPA General List" <[email protected]> > Sent: Friday, June 05, 2009 12:29 PM > Subject: Re: [WISPA] Cost of 900 MHZ CPE > > >>I thought it has to do wit there not being a standard. No bodies card will >>work with each other. I mean how ridiculous that UBNT couldn't even make >>their XR9 cards work with their SR9 card. Nothing works with Tranzeo's >>900. >> >> Steve Barnes >> RCWiFi Wireless Internet Service >> >> >> -----Original Message----- >> From: [email protected] [mailto:[email protected]] On >> Behalf Of D. Ryan Spott >> Sent: Friday, June 05, 2009 3:19 PM >> To: WISPA General List >> Subject: Re: [WISPA] Cost of 900 MHZ CPE >> >> I agree, >> >> I think we are all waiting for UBNT to crush the pricing as they have >> done in 2.4 & 5.8. >> >> ryan >> >> >> Forbes Mercy wrote: >>> I am curious if anyone can tell me the technical reason why 900MHZ has >>> no reasonable cost CPE. Here I am paying $70 for CPE on 2.4 gear, $90 >>> for 5.8 but the best price I can find is $290 for 900 MHZ. Just curious >>> as to why? >>> >>> Forbes >>> >>> >>> -------------------------------------------------------------------------------- >>> WISPA Wants You! Join today! >>> http://signup.wispa.org/ >>> -------------------------------------------------------------------------------- >>> >>> WISPA Wireless List: [email protected] >>> >>> Subscribe/Unsubscribe: >>> http://lists.wispa.org/mailman/listinfo/wireless >>> >>> Archives: http://lists.wispa.org/pipermail/wireless/ >>> >> >> >> >> -------------------------------------------------------------------------------- >> WISPA Wants You! Join today! >> http://signup.wispa.org/ >> -------------------------------------------------------------------------------- >> >> WISPA Wireless List: [email protected] >> >> Subscribe/Unsubscribe: >> http://lists.wispa.org/mailman/listinfo/wireless >> >> Archives: http://lists.wispa.org/pipermail/wireless/ >> >> >> -------------------------------------------------------------------------------- >> WISPA Wants You! Join today! >> http://signup.wispa.org/ >> -------------------------------------------------------------------------------- >> >> WISPA Wireless List: [email protected] >> >> Subscribe/Unsubscribe: >> http://lists.wispa.org/mailman/listinfo/wireless >> >> Archives: http://lists.wispa.org/pipermail/wireless/ >> > > > > -------------------------------------------------------------------------------- > WISPA Wants You! Join today! > http://signup.wispa.org/ > -------------------------------------------------------------------------------- > > WISPA Wireless List: [email protected] > > Subscribe/Unsubscribe: > http://lists.wispa.org/mailman/listinfo/wireless > > Archives: http://lists.wispa.org/pipermail/wireless/ > -------------------------------------------------------------------------------- WISPA Wants You! Join today! http://signup.wispa.org/ -------------------------------------------------------------------------------- WISPA Wireless List: [email protected] Subscribe/Unsubscribe: http://lists.wispa.org/mailman/listinfo/wireless Archives: http://lists.wispa.org/pipermail/wireless/
