Doc. Title
ST3940 User Manual
Concerning:
Rev.
Date (dd-mm-yy)
Page of Pages
Features and how to configure ST3940
1.06
0
18-6-19
48 of 54
RESERVED
RESERVED
MSG_TYPE
Field
Marks
Meaning
HDR
“ST600ALT”
Alert report header.
DEV_ID
10 char
Device ID.
MODEL
2 char
Device Model (According to table model).
SW_VER
3 char
Software Version.
DATE
8 char
GPS date (yyyymmdd).
TIME
8 char
GPS time (hh:mm:ss).
CELL_ID
String
Unique ID of Serving Cell. 8 digits hex
First 8 digits are always 0 when the device connected to 2G network.
MCC
String
Mobile Country Code. 0 ~ 65535
MNC
String
Mobile Network Code. 0 ~ 65535
LAC
String
Location Area Code. 4 digits hex
RX_LVL
String
Signal Strength.
0 ~ 63 in 2G.
0: less than -110 dBm
1: -110 to -019 dBm
… …
62: -49 to -48 dBm
63: greater than -48 dBm
0 ~ 91 in 3G.
0: less than -115 dBm
1: -115 to -114 dBm
… …
90: -26 to -25 dBm
91: greater than -25 dBm
LAT
String
Latitude (+/-xx.xxxxxx).
LON
String
Longitude (+/-xxx.xxxxxx).
SPD
String
Speed in km/h.
CRS
String
Course over ground in degree.
SATT
String
Number of satellites.
