GLOBALSAT TR-203A - Manual (Page 69)

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GSG ”GSG” : Write geo-fence
parameter command
Command
head
IMEI (The IMEI number) GSM device
ID
T ‘0’ : Middle of message
‘1’ : Start of message
‘2’ : End of message
‘3’ : Start and End of message,
i.e., only one packet for
message
Message
packet
control
S ‘0’,’1’,’2’,’3’,…,’9’,’10’,’11’,…,’99’ Sequence
number
type 1=get in area
2=get out of area
3=cross over the boundary
4=stay in area
5=stay out of area
Alert type
of
Geo-fence
upper_left_Lon,
upper_left_Lat
upper_left_Lon =Lon
upper_left_Lat =Lat
Lon: (+ or -)ddddddddd
unit: 0.000001 degree
Lat: (+ or -)dddddddd
unit: 0.000001 degree
The top left
coordinates
of specified
area
right_bottom_Lon,
right_bottom_Lat
right_bottom_Lon =Lon
right_bottom_Lat =Lat
Lon: (+ or -)ddddddddd
The right
bottom
coordinates
of specified