L3Harris NARDA AMS-8061, Руководство пользователя

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Troubleshooting 7-13
How can verify GSM signal quality in the place where the monitor is?
CSQ command (Check Signal Quality) allows verifying the GSM signal
quality in the place where the area monitor is. In addition to the possibility to
send this command, with the syntax
#SM?CSQ* , in the log file, every time
the area monitor switch the modem ON, before than its switching OFF, a
verification of the GSM covering, is done.
For very connection there will be a string like this:
17/05/18 15:06:36 +CSQ: 19,99
There is the date, hour, the command and a result expressed with 2 numeric
values.
The first value, 19 in this example, corresponds to the signal quality value
(RSSI) expressed in dBm.
Values dBm Quality
from 2 to 9 from -109 to -101 Poor
from 10 to 14 from -93 to -85 Enough
from 15 to 19 from -83 to -75 Good
from 20 to 30 from -73 to -53 Excellent
31 -51 or higher Excellent
The second value, 99 in this example, is the bit rate error
Values Meaning
0 less than 0.1%
1
from 0.26% to 0.30%
2
from 0.51% to 0.64%
3
from 1.0% to 1.3%
4
from 1.9% to 2.7%
5
from 3.8% to 5.4%
6
from 7.6% to 11.0%
7 more than 15%
99
non detectable