Well there is NLOS performance and spectrum crowding to be considered. 
Not sure which Mike Cowan was referring to.



Mike Hammett wrote:
> I don't think I'd go that far.  In many areas 2.4 is useless, so by that 
> very token, 3.650 would be a world of better because it's virgin territory.
> 
> 
> -----
> Mike Hammett
> Intelligent Computing Solutions
> http://www.ics-il.com
> 
> 
> 
> --------------------------------------------------
> From: "Mike Cowan" <mi...@wirelessconnections.net>
> Sent: Friday, June 05, 2009 6:24 AM
> To: "'WISPA General List'" <wireless@wispa.org>
> Subject: Re: [WISPA] 3.65 Wimax
> 
>> It is true that a 802.11 based 3.650 product is not going to be any better
>> than 2.4.  A wimax based 3.650 product is going to gve field performance
>> much like 2.4.  A diversity based 3.650 system is going to provide 
>> coverage
>> much like, and oftentimes exceeding that of 900Mhz.  These observations 
>> are
>> based on real field deployments in diverse terrain across the US.
>>
>> Mike
>>
>>
>>
>>
>>
>> Mike Cowan
>> Wireless Connections
>> A Division of ACC
>> 166 Milan Ave
>> Norwalk, OH 44857
>> 419-660-6100
>> 419-706-7348 Cell
>> 419-668-4077 Fax
>> mi...@wirelessconnections.net
>> www.wirelessconnections.net
>>
>> -----Original Message-----
>> From: wireless-boun...@wispa.org [mailto:wireless-boun...@wispa.org] On
>> Behalf Of Travis Johnson
>> Sent: Monday, June 01, 2009 1:33 AM
>> To: WISPA General List
>> Subject: Re: [WISPA] 3.65 Wimax
>>
>> Hi,
>>
>> We have two small 3.65 repeaters (serving only other small WiPOPs). The
>> 3.65 does work, but our experience was that it did not do any better in
>> NLOS than 2.4ghz would already do (when comparing the same type of radio
>> systems). There are several other radio features and "tricks" that the
>> higher-end WiMax companies are doing to get better NLOS, but it is still
>> not comparable to 900mhz.
>>
>> In our area, there is a provider using 2.5ghz licensed WiMax and they
>> still have NLOS issues where our 900mhz Trango system will work just
>> fine. YMMV.
>>
>> Travis
>> Microserv
>>
>> Jeremie Chism wrote:
>>> Several months ago I paid the small fee for the 365 "license" but have 
>>> not
>>> used it. We are looking to deploy something that has a little less
>>> interference since there is quite a bit of 900mhz and 5.8ghz equipment
>>> deployed where we are.   Has anyone tested any of this equipment and how
>> has
>>> it worked.  Also does it possess any NLOS capabilities (I know all the
>>> manufacturers claim they do).
>>> Thanks
>>>
>>> Jeremie Chism
>>> Triton Communications
>>>
>>>
>>>
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