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23. Requesting the GSM signal strength of the module
Note: The command does not require parameters.
Code
8
0
?
#
The message received shows the strength of the detected signal in the following way:
Wording of the reply message
Strength of the detected signal in dBm
[ _ _ _ _ _ _ _ _ ]
Unknown or not detectable
[ + _ _ _ _ _ _ _ ]
< -103
(poor quality of outgoing calls)
[ + + _ _ _ _ _ _ ]
from -103 to -94
(poor quality of outgoing calls)
[ + + + _ _ _ _ _ ]
from -93 to -90
[ + + + + _ _ _ _ ]
from -89 to -84
[ ++ ++ +_ __ ]
from -83 to -80
[ ++ ++ ++ __ ]
from -79 to -74
[ ++ ++ ++ +_ ]
from -73 to -62
[ ++ ++ ++ ++ ]
from -61 to -53
24. Call test
Once a message is sent correctly, the module call the number from which the SMS was sent.
Note: The command does not require parameters.
Code
8
1
#
25. Requesting the firmware version of the installed modules
Code
A
8
2
.
Eye
?
#
A - In this field enter the number that identifies the module whose firmware version you want to know.
1 = Request firmware version of MTMAGSM module.
2 = Request firmware version of MTMKB module.
3 = Request firmware version of MTMDY module.
4 = Request firmware version of MTMINFO module.
5 = Request firmware version of MTMBFVS module.
from 10 to 21 = Request firmware version of MTM8C modules. Code 10 identifies the first MTM8C module connected,
code 11 the next one in the cabling that connects the modules to each other, etc., up to a maximum of 12 MTM8C modu-
les.
