View Full Version : What is the minimum Signal Strength and Transmit CCQ?
garymansperger
02-16-2009, 09:08 AM
What minimum targets should I have in my network for max speed and reliablity?
I do not understand the relationship between the two. In some cases I see similar Signal Strength and very different CCQ numbers between clients.
Can you educate me on these numbers.
Thanks,
You can have a great signal strength; but if you have interference, the radios keeps trying to retransmit packets, hence the low CCQ.
Max speed and reliability are mutually exclusive. Pick one, but not both.
garymansperger
02-16-2009, 10:12 AM
What numbers do you consider acceptable?
Signal strength should be as high as possible, but not more than -30 to -20 dBm as you could overload the receiver's front end.
-10 is way to strong
-30 acceptable
-40 better ( weaker signal)
-50 to -70 is fine
-70 to -80 and you potentially could start to have reliability issue
less than -90 and it will barely work.
CCQ should be as high as possible.
DieselPower
02-22-2009, 09:10 AM
WHT hit the nail on the head. I have several links with the CCQ in the 30's that seems to be fine for 768K download speeds. I also have several customers with an -82 to -85 signal that are working well (uptimes of several weeks).
Now remember, that all I'm competing with is dialup and Hughsnet, Sat goes down in bad weather all the time, dialup is so stinken slow, that I don't get calls often about poor service. People are just happy. If they get a blip in their streaming video every once in awhile I'll never hear about it.
