with sites that have 10 users in a 15 mile RADIUS, you have to have an
amp....
marlon
----- Original Message -----
From: "George Rogato" <[EMAIL PROTECTED]>
To: "WISPA General List" <wireless@wispa.org>
Sent: Sunday, February 04, 2007 11:51 AM
Subject: Re: [WISPA] Typical OFDM CPE antennas
> Amps?
>
> The success of G is less noise and less power. IMHO
>
> Never looked for a G amp or tried a G high powered card.
>
>
> Marlon K. Schafer wrote:
>> Has anyone found an amp that'll work CORRECTLY with g AND b?
>> marlon
>>
>> ----- Original Message ----- From: "George Rogato"
>> <[EMAIL PROTECTED]>
>> To: "WISPA General List" <wireless@wispa.org>
>> Sent: Sunday, February 04, 2007 11:21 AM
>> Subject: Re: [WISPA] Typical OFDM CPE antennas
>>
>>
>>> Nothing scientific Mac, but I think lots of G ap's work better than
>>> lots
>>> of B ap's.
>>>
>>> Seems when I've seen high powered B ap's in the mix there can be
>>> issues.
>>> Where as when I see only low powered G things still work.
>>>
>>> The area I cover is fairly small, so i'm getting densly built out
>>> with
>>> omni's and sectors all over the place.
>>>
>>>
>>>
>>> Mac Dearman wrote:
>>>
>>>> How are y'all running "G" in so many places? I would love to
>>>> implement
>>>> G,
>>>> but I have so many towers sectored out and then we have so many
>>>> clients
>>>> running wireless routers close to the CPE that I feel like there
>>>> would
>>>> be
>>>> trouble in Paradise here!!
>>>>
>>>> Are any of you running G on anything but an Omni antenna? (Multiple
>>>> antennas on one tower?)
>>>>
>>>> Mac
>>>>
>>>>
>>>>
>>>> -----Original Message-----
>>>> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
>>>> On
>>>> Behalf Of Lonnie Nunweiler
>>>> Sent: Sunday, February 04, 2007 12:30 PM
>>>> To: WISPA General List
>>>> Subject: Re: [WISPA] Typical OFDM CPE antennas
>>>>
>>>> Totally agree. A bad G link will still give as good as a GOOD B
>>>> link.
>>>> G will give 5 mbps even when it is close to not connecting and B
>>>> requires superb signals to get 5 mbps.
>>>>
>>>> Lonnie
>>>>
>>>> On 2/4/07, George Rogato <[EMAIL PROTECTED]> wrote:
>>>>
>>>>> I have quite abit of G out there. All the clients and ap's I
>>>>> install
>>>>> today are G.
>>>>> 60's is great, 70's work just fine too.
>>>>> 60's get top performance, 70' is still a great very fast connection
>>>>> and
>>>>> even low 80's beat B.
>>>>>
>>>>> B stands for Bad
>>>>> G stands for Good
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> Marlon K. Schafer wrote:
>>>>>
>>>>>> It's not about antenna size. It's about signal levels.
>>>>>>
>>>>>> Most g radios need -60ish signal levels to work well. Use the
>>>>>> antennas
>>>>>> that you need to make it work right.
>>>>>>
>>>>>> Find the sensitivity levels of the product you are using, run the
>>>>>> calcs,
>>>>>> and compute a 10 dB or so fade margin.
>>>>>>
>>>>>> laters,
>>>>>> marlon
>>>>>>
>>>>>> ----- Original Message ----- From: "Tom DeReggi"
>>>>>> <[EMAIL PROTECTED]>
>>>>>> To: "WISPA General List" <wireless@wispa.org>
>>>>>> Sent: Saturday, February 03, 2007 12:38 PM
>>>>>> Subject: [WISPA] Typical OFDM CPE antennas
>>>>>>
>>>>>>
>>>>>>
>>>>>>> I wanted to get some feedback from the List.
>>>>>>>
>>>>>>> Typically, what Dbi gain antennas are you desiring for OFDM short
>>>>>>> Near-LOS or Mid-range CPE links?
>>>>>>> Is 18 dbi enough?
>>>>>>>
>>>>>>> I'm well aware that 18dbi will not be good for many applications
>>>>>>> (long
>>>>>>> range or noisy), but what percentage of CPE installtions would it
>>>>>>> be
>>>>>>> good for?
>>>>>>> Could 75% of the CPE installs be acheived with 18dbi?
>>>>>>>
>>>>>>> I personally, would pick a 21-23db antenna as a preferred choice,
>>>>>>> but
>>>>>>> PacWireless Rootennas are 19dbi, and often used with 13-15 dbm
>>>>>>> CM9
>>>>>>> cards. The beamwidth of 18dbi (< 20-30 degrees) is pretty good
>>>>>>> for
>>>>>>> interference resilience and OFDM maximized, and if more gain was
>>>>>>> needed it could be accommodated with higher power radios such
>>>>>>> Teletronic's >18dbm Atheros cards or Ubiquiti's SR5 18-26db
>>>>>>> cards.
>>>>>>>
>>>>>>> Tom DeReggi
>>>>>>> RapidDSL & Wireless, Inc
>>>>>>> IntAirNet- Fixed Wireless Broadband
>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>> WISPA Wireless List: wireless@wispa.org
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>>>>>>
>>>>>>
>>>>>>
>>>>> --
>>>>> George Rogato
>>>>>
>>>>> Welcome to WISPA
>>>>>
>>>>> www.wispa.org
>>>>>
>>>>> http://signup.wispa.org/
>>>>> --
>>>>> WISPA Wireless List: wireless@wispa.org
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>>>>>
>>>>
>>>>
>>>>
>>>
>>> --
>>> George Rogato
>>>
>>> Welcome to WISPA
>>>
>>> www.wispa.org
>>>
>>> http://signup.wispa.org/
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>>
>>
>
> --
> George Rogato
>
> Welcome to WISPA
>
> www.wispa.org
>
> http://signup.wispa.org/
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