Solved

Ubiquiti Nanostation general wireless signal strength questions

Posted on 2013-12-03
2
3,139 Views
Last Modified: 2013-12-04
I have 2 Nanostation Loco M2 that are 400 feet apart.  Trying to understand things.

looking at the web admin pages for both devices, on the main page of the web admin, there's 'signal strength' which has all the colors (red -> blue) and it says -50dbm next to it.

Then there's a tool for antenna alignment

That has a signal level meter (currently both say -50db and are lit up to the blue line.  that page also has a 'max signal' slider.  when that is all the way to the right (full strength? it says -18db) the signal level meter drops  to just 1/2 of it lit but the -50 doesn't change (maybe to -49).  if you move max signal slider to 1/2 way, it says -54 dbm and the signal level is fully lit.

On the wireless page of the air OS, there's a slider for output power  max is 22dbm.  I am thinking I should dial down the power to not overload the receiver at the other end?  but how do you know the right settings / what's the max signal slider vs. output power slider?
0
Comment
2 Comments
 
LVL 43

Accepted Solution

by:
Davis McCarn earned 500 total points
ID: 39696172
The optimal signal strength is around -40dbm; but, it sounds like your interface is not giving you all of the info you need.
Of note are two other parameters; data transfer rate and signal to noise ratio.
Wifi automatically falls back to a slower transfer rate when the signal is not clear or strong enough to support the higher speed and the signal to noise ratio is an important factor.  When looking ate the SNR, lower numbers are better (i.e. -65dbm is way better than -50dbm)
If you can look at the other factors, do so and adjust the power accordingly.  If you can't, you'll have to do it by trial and error.
0
 

Author Comment

by:BeGentleWithMe-INeedHelp
ID: 39696264
first, I am a moron.I was changing the signal strength slide on the wireless page and clicking 'change' button at the bottom.  didn't realize I had to click the apply button at the top to have it take effect.  Doh!

I am getting -50 for the signal strength at full power and dropped it down from 23 to 20 and signal went to -53.

Yeah, If they were 1' apart ,what would signal strength be?  -40?  at -50 to -53 the speed test was saying 75 up and 75 down (approximately).  so I guess that's 'good'?

yeah, lower = better (in some cases) , minus sign, etc. are confusing me a bit ; )

thanks!
0

Featured Post

New! My Passport Wireless Pro Wi-Fi Mobile Storage

Portable wireless storage to offload, edit, and stream anywhere.

High-capacity, wireless mobile storage designed to accompany professional photographers and videographers in the field to easily offload, edit and stream captured photos and high-definition videos.

Question has a verified solution.

If you are experiencing a similar issue, please ask a related question

Suggested Solutions

Title # Comments Views Activity
Read-only SNMP string example ? 7 73
Tools to detect weak WiFi routers prior connecting to it 14 103
PCI Compliance Free scan 2 76
Creating and Connection two new domains 5 77
ADCs have gained traction within the last decade, largely due to increased demand for legacy load balancing appliances to handle more advanced application delivery requirements and improve application performance.
In the modern office, employees tend to move around the workplace a lot more freely. Conferences, collaborative groups, flexible seating and working from home require a new level of mobility. Technology has not only changed the behavior and the expe…
Viewers will learn how to connect to a wireless network using the network security key. They will also learn how to access the IP address and DNS server for connections that must be done manually. After setting up a router, find the network security…
Get a first impression of how PRTG looks and learn how it works.   This video is a short introduction to PRTG, as an initial overview or as a quick start for new PRTG users.

911 members asked questions and received personalized solutions in the past 7 days.

Join the community of 500,000 technology professionals and ask your questions.

Join & Ask a Question

Need Help in Real-Time?

Connect with top rated Experts

25 Experts available now in Live!

Get 1:1 Help Now