GS-818 GPS/GSM/GPRS Vehicle Tracker User Manual
67 Copyright © 2011 San Jose Technology, Inc. All Rights Reserved.
Example 2: #username,0000,info,0xffff*
Actual Command
16 hex
SMS command
All Extra Info Off
0x0000
#username,0000,info,0x0000*
All Extra Info ON
0xffff
#username,0000,info,0xffff*
Only Turn on bit 0
0x0001
#username,0000,info,0x0001*
Tuen ON bit 0 and bit 4
0x0011
#username,0000,info,0x0011*
Turn ON bit 0, 1, and 2
0x0007
#username,0000,info,0x0007*
Bit No.
Description
bit0
I/O, ACC, battery and power source in Hex. (Please refer to Extra Info bit 0 Description)
bit1
HDOP Value
bit2
Number of GPS Satellites
bit3
CELL ID & strength 1
bit4
CELL ID & strength 2
bit5
CELL ID & strength 3
bit6
CELL ID & strength 4
bit7
CELL ID & strength 5
bit8
CELL ID & strength 6
bit9
CELL ID & strength 7
bit10
<TA>(num)
bit11
<RSSI>(num)
bit12
username/ IMEI
bit13
Analog Input1 & Analog Input2 (Voltage)
bit14
Temperature of MCU (Centigrade)
bit15
Reserved
Table: Extra Info Bit meaning comparison
bit 15(MSB)~12
bit 11~8
bit 7~4
bit 3~0(LSB)
Hexadecimal
F
F
F
F
0000
0000
0000
0000
~
~
~
~
Binary
1111
1111
1111
1111