We've been doing 3x120 in 2.4ghz and 5ghz. Using StarOS on the X4000
boards, it is right around $1000 for a three sector setup, and that
includes the AP and antennas.
Mounting hardware and labor varies according to the type of
installation. If it is a rooftop or other structure that doesn't
require climbing, then the labor is usually a days worth of staff time
to haul the gear up and point it. I generally don't put anything over
100' up on a tower, so if I figure a day for a crew to hang the gear,
its about $500-$1000 for the tower crew to do that work. Mounting
hardware is usually a couple of DB365 clamps and metal electrical
conduit ($100-$150). 100-150' of shielded cat-5 ($30?) goes up the
tower to power the unit.
On the ground, a typical site will include a power controller ($150),
Mikrotik switch ($100), UPS ($200-$500) and soon we will be putting in
some kind of environmental sensor that my lead tech is working on (~$250).
Overall, a three sector installation for me would be composed of:
X4000 AP $400
Antennas $600
Labor $800 (average)
Mounts $150
Wire $30
PowerController $150
Switch $100
UPS $300
SensorPack $250
$2780
I would put it in the $2500 to $3000 ballpark. $1000 per sector, all
in. That sounds about right.
Matt Larsen
vistabeam.com
RickG wrote:
> I agree with this. For example: What should be my best tower is one of
> my worst because it is quad-sectored. I have a simular tower at
> another location that is tri-sectored and it performs better than
> expected. As far as an omni, I use them only where the spectrum is
> clean, eventually switching to sectors when the subscriber numbers
> require it.
> -RickG
>
> On Wed, Jan 7, 2009 at 2:34 PM, Jack Unger <[email protected]> wrote:
>
>> Mike,
>>
>> Just my 2 cents worth (after 50 years of RF experience).
>>
>> In many cases, four 90-degree sectors is a waste of money. You will have
>> more sector overlap than need. Three 120-degree sectors is just as
>> effective and costs less.
>>
>> A single omni is normally a bad idea. You have no protection from
>> interference coming in from any direction.
>>
>> jack
>>
>>
>> Mike Hammett wrote:
>>
>>> Since Patrick posed that question about cost for a typical 3 sector tower,
>>> I ask the following question:
>>>
>>> How many sectors is typical for you?
>>>
>>> My answer is 4x 90*, unless it's a small area repeater, which is then a
>>> single omni, or different as that situation requires.
>>>
>>>
>>> -----
>>> Mike Hammett
>>> Intelligent Computing Solutions
>>> http://www.ics-il.com
>>>
>>>
>>>
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>>>
>> --
>> Jack Unger - President, Ask-Wi.Com, Inc.
>> Serving the Broadband Wireless Industry Since 1993
>> Cisco Press Author - "Deploying License-Free Wireless WANs"
>> WISPs - Do you know where your customers are?
>> For wireless coverage mapping see http://www.ask-wi.com/mapping
>> FCC Lic. #PG-12-25133 LinkedIn Profile <http://www.linkedin.com/in/jackunger>
>> Phone 818-227-4220 Email <[email protected]>
>>
>>
>>
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