success please contact us.
7.
After go out the under ground park, some tracking will lost, the GSM and GPS module will
take a few minutes to receive signal and re-locate, some tracking maybe lost, this is normal.
8.
Some time some location point is lost, this is normal, in the transmit process, some point
maybe is lost, but this will not happen very often.
Specification:
GSM Module
SIMCOM 900
GPS Module
Sirf-Star or MTK
GSM Frequency
850/900/1800/1900 MHz
GPS channel
32 channels
GSM
/
GPS
Antenna
Built in
Locate precision
5-20 Meters
GPS
Cold
Start
Time
36 seconds
GPS Hot Start Time
1 second
Recharging
Current
< 5V/300mA
Standby Current
< 10 mA
Uploading Current
<200mA / 5V
Battery
800mAh
Working
Temperature
-20
0
C to +55
0
C
Absolute Temperature
-35
0
C to +70
0
C
Storage
Temperature
-40
0
C to +80
0
C
