You set the antenna gain on the Wireless tab of the wireless interface.
You have to select Advanced Mode with the button at the bottom right of
the window.
You can also set the transmit power on the TX-Power tab. This is what I
use, not the antenna gain.
Both of the above settings can be set on both ends of a link. Remember
to set them so you stay within legal limits for your location.
I can not think of any way to damage a radio with these settings. The
software knows the maximum gain that the radio can handle.
The antenna gain is in the spec sheet on the MT web site.
On 1/8/2013 2:40 PM, Martin Bérard wrote:
Fiollowing this discussion
I'm pretty new to wireless, but have to help a friend to build a backhaul using
two SXT. I read many time that you have to adjust the signal to high 50 low 60
by playing around with the antenna gain (I guess that would be on the CPE
device only in case of PTMP).
Can someone please detail a bit where do I get those numbers and the value that
should be used in antenna gain. Also read you can play with TX power but it
might be harmful to the radios.
Martin
-----Message d'origine-----
De : [email protected]
[mailto:[email protected]] De la part de Troy Settle
Envoyé : 8 janvier 2013 14:18
À : 'Mikrotik discussions'
Objet : Re: [Mikrotik] -55db but can't pass serious traffic
Yeah, 5.22 on both sides. Even tried it in G only with a single chain.
Same results.
Guess I call the tower guy.
Thanks,
-----Original Message-----
From: [email protected] [mailto:mikrotik-
[email protected]] On Behalf Of Chadd Thompson
Sent: Monday, January 07, 2013 5:53 PM
To: 'Mikrotik discussions'
Subject: Re: [Mikrotik] -55db but can't pass serious traffic
Do you have 5.22 installed on both ends of the link? AP and Client both?
If not you want to do that first and also make sure that all clients
associated with that AP are also running 5.22.
The other thing would be noise on either end of the link make sure you
check noise levels.
What wireless protocol are you running?
-----Original Message-----
From: [email protected]
[mailto:[email protected]] On Behalf Of Troy Settle
Sent: Monday, January 07, 2013 4:08 PM
To: [email protected]
Subject: [Mikrotik] -55db but can't pass serious traffic
All,
I have a RB711UA-2HnD (one of several actually) that's giving me a fit.
Client radios (G and N) can connect with signals between -55 and -60
(both chains, both directions), but the rate comes in at 1Mbit/s.
With a little traffic (pings), the rate will go up to 5.5, 6, or
6.5Mbit/s, it even hit 9 and 11Mbit/s for a while. Pinging with
larger packets
(500 bytes) at shorter intervals (250ms), and the packets start
dropping.
ROS 5.22, FW 3.0. Rebooted, reset config, nothing seems to help.
Anyone know of anything specific I can check before I call a climber
to replace it?
Thanks,
-Troy
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Scott Reed
Owner
NewWays Networking, LLC
Wireless Networking
Network Design, Installation and Administration
Mikrotik Advanced Certified
www.nwwnet.net
(765) 855-1060
(765) 439-4253
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