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FREEEEMAN
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Maximum Cover Signal with RB2011UiAS-IN

Mon Aug 03, 2020 2:32 pm

Hello.


There is a setup with a RB2011UiAS-IN and a Ubiquity AP-AC M installed from third party that I

have no access over it.

I ve been asked to replicate this setup.

Problem is, with my setup with same gear, wireless signal drops dramatically not even at half

the distance it supposed to cover, while the existing installation is full signal.

As a test, I disconnected the Ubiquity AP from existing gear and signal was still same.

This means it is wifi from the Mikrotik essentially and/or I dont know what coupling/how they use the Ubiquity Ap.

When I test my setup, I disconnected existing gear to avoid interference etc.

To resume, what would be the best radio settings for maximum cover range area ?



Thanks.
 
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Re: Maximum Cover Signal with RB2011UiAS-IN

Wed May 18, 2022 10:06 pm

Anybody ?
 
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TomjNorthIdaho
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Re: Maximum Cover Signal with RB2011UiAS-IN

Wed May 18, 2022 11:29 pm

For maximum coverage - try these settings:

Wireless 2.4 GHz
Band: 2GHz-B/G/N
Channel Width: 20/40MHz Ce

Wireless 5 GHz
Band: 5GHz-A/N/Ce
Channel width Ceee ( Ceee is the fastest - and 20 Mhz is the most reliable & slower )

Wireless - Advanced
Hw Retries: 15
Disconnect Timeout: 00:00:15
On Fail Retry Time: 1.00


North Idaho Tom Jones
 
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bpwl
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Re: Maximum Cover Signal with RB2011UiAS-IN

Thu May 19, 2022 12:37 am

RB2011UiAS-IN ... has no wifi. See https://mikrotik.com/product/RB2011UiAS-IN
Is it RB2011UiAS-2HND-IN ?????
 
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Re: Maximum Cover Signal with RB2011UiAS-IN

Thu May 19, 2022 8:44 pm

Yes, I meant RB2011UiAS-2HND-IN .
 
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bpwl
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Re: Maximum Cover Signal with RB2011UiAS-IN

Thu May 19, 2022 11:22 pm

Hello.



Problem is, with my setup with same gear, wireless signal drops dramatically not even at half

the distance it supposed to cover, while the existing installation is full signal.

WOW not easy if you need a prediction of the "distance it is supposed to cover" if indoor. Open free field is 6 dBm reduction per doubling of the distance.
Same setup but different location will give a very different pattern. https://www.youtube.com/watch?v=6hcK9B4HHY8. Even moving the AP half a meter will change a lot.

What is your expected covered distance? What is "covered" anyway, all down to the slowest 'b' interface rate of 1 Mbps is still covered, is that down to -86dBm signal?

Practical now: Antenna gain of RB2011UiAS-2HND-IN is 4 dbi , so the antenna are somewhat directional. Stay in the plane perpendicular to the antenna (keep them parallel with each other. 20MHz wide channel will have double the spectral density compared to 40MHz wide channels. Stick to 20 MHZ! Allowed TX power of RB2011 is region related, but the signal of the client device is probably the real limiting factor. (antenna gain helps receiving the weak client signal).

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