Paul,
my buddy just north of me has 7 of them on his small network. Installed a
year ago. Had to swap one of them out due to the need for a bigger router.
Otherwise been good in our South Dakota weather, not near as hot as your
weather but a little on the cold side at times. All of these sites are
mostly just a 12 x 18 enclosures outside with just venting, no environment
control
-----Original Message-----
From: Paul McCall
Sent: Thursday, January 16, 2014 7:27 PM
To: Mikrotik discussions
Subject: [Mikrotik] Use of RB2011 in outdoor environment - WAS: major
problem with rb751u-2hnd routers
We currently have a lot of RB493AH out in the field at tower sites. When
looking at the 2011 series, I see that they should be a fit faster, and
cheaper as well.
But, I also see the description saying its an "indoor device". We use the
493AH in a normal case and inside a metal job box in the Florida sun that
has fans but certainly gets warm.
So, what makes the 2011 an "indoor device" ? Anybody of real world
experience in an outside tower box as I have described?
Paul
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Corey Freeman
Sent: Friday, January 10, 2014 6:20 PM
To: Mikrotik discussions
Subject: Re: [Mikrotik] major problem with rb751u-2hnd routers
Paul,
There are posts on the MT forums of complaints with similar issues. I have
had similar issues with the 751 and 951 units. Signal strength is sporatic
and throughput is initially ok, then quickly drops off to zero. I switched
to 2011 series and have never looked back. MT keeps avoiding questions about
this on the support forums so it's highly unlikely that they will ever admit
the root cause. My customers were unhappy with some of the units I
deployed, so I just quit using them alltogether.
Corey
On Fri, Jan 10, 2014 at 5:07 PM, Paul McCall <[email protected]> wrote:
We did an install today and we have been using rb751u-2hnd quite a bit,
as they generally make for a nice solution.
We did a wireless scan of the house (with our CPE radio off even) and it
looks clean.
We tried (2) different rb751u-2hnd and both have same issues, regardless
of firmware versions 4, 5 or 6.
WEAK signal... like 10 ft. away its weak even... down to around -68 dB ...
at 20 ft. its gone. We use the same settings all the time and I swear I
think I have gone through every single possibility of frequency, band,
frequency mode, country code, antenna gain, default or configured data
rates, dynamic or indoor distance settings, HT RX/TX Chains and antenna
modes, every combination of Tx Power Mode, and bumping up or down 3db,
6dB, 9dB, etc.. Back at the defaults its shows Current Tx power at 25dB
to 30dB (depending on modulation of course)
Pulling our hair out for past 3 hours trying to make it work.
Do we possibly have two Brand new bad units? We have 5 others from the
same purchase lot working normally.
Any thoughts?
Paul McCall, Pres.
PDMNet / Florida Broadband
658 Old Dixie Highway
Vero Beach, FL 32962
772-564-6800 office
772-473-0352 cell
www.pdmnet.com<http://www.pdmnet.com/>
[email protected]<mailto:[email protected]>
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