USER MANUAL
–
Z-GPRS3, Z-UMTS, Z-LOGGER3, Z-LTE-WW
12
5.
GSM SIGNAL (ONLY Z-GPRS3 / Z-UMTS / Z-LTE / Z-LTE-WW)
The GSM signal level can be found via SEAL
software (in the “test“
section) or through Webserver.
To view the GSM signal level, the SIM CARD must be inserted (signal may change radically based on the
selected provider).
In log file GSM field is expressed in DBm where -
115 dBm it’s the minimum,
-52 dBm
it’s the maximum
.
This table can be used:
GSM Signal
GSM signal [dBm]
0 (MINIMUM)
-115
1
-106
2
-97
3
-88
4
-79
5
-70
6
-61
7 (MAXIMUM)
-52
Where 0 it’s the minimum, and 7 it’s maximum.
For correct ftp or email log operations, the minimum required field level is 2/7 (please remember that
signal often fluctuates).
For SMS operations only the minimum required field level is 2/7.
Refer to the following table for signal values:
SIGNAL LEVEL 0 = NO SIGNAL (INSUFFICIENT)
SIGNAL LEVEL 1 = INSUFFICIENT SIGNAL (NOT RELIABLE FOR SMS AND GPRS)
SIGNAL LEVEL 2 = MINIMUM SIGNAL (MINIMUM SIGNAL FOR SMS AND GPRS)
SIGNAL LEVEL 3 = RELIABLE SIGNAL (RELIABLE FOR SMS AND GPRS)
SIGNAL LEVEL 4 = GOOD SIGNAL
SIGNAL LEVEL 5 = VERY GOOD SIGNAL
SIGNAL LEVEL 6 = OPTIMAL SIGNAL
SIGNAL LEVEL 7 = EXCELLENT SIGNAL
