DYTECH GT08 User manual

4G GPS Vehicle Tracker
(LTE-TDD/LTE-FDD/GSM/GPRS/EDGE LTE CAT1)
(GPS+AGPS+SMS)
GT08 User Manual
(Version 1.3)
Thank you for purchasing the tracker. This manual shows how to operate
the device smoothly and correctly. Please make sure to read this manual
carefully before using this product. Please note that specification and
information are subject to changes without prior notice in this manual.
Any change will be integrated in the latest release. The manufacturer
assumes no responsibility for any errors or omissions in this document.

1. Summary
Working Based on existing LTE-TDD/LTE-FDD/GSM/GPRS/EDGE
LTE CAT1 network and GPS satellites, this product can
locate and monitor any remote targets by SMS or internet.
Overview of the characteristics:
1).LTE-TDD/LTE-FDD/GSM/GPRS/EDGE LTE CAT1.
2).GPS position.
3).Auto set APN.
4.Power-Cut alarm.
5).Motion detection, save flow and power.
6).GEO-fence Alarm.
7).Vibration Alarm.
8).ACC detection.
9).Speed Alarm
10).Voltage Range: DC 9V-85V.
11).Enginee Cut-Off.

2．Accessories：
Power line: Relay: Manual:
3. Specs
1）. LTE-TDD/LTE-FDD/GSM/GPRS/EDGE LTE CAT1
2）.Working Voltage：9V-85V DC
4）.Working current：≈22mA (12VDC)
5）.Working current：≈12mA (24VDC)
6）.GPS locating time：Cold start≈38s（Open sky）
Warm start≈32s
Hot start≈2s（Open sky）
7）.GPS Precision：10m（2D RM）
8）.Working temperature：-20℃～+70℃
9）.Working humidity：20%～80%RH
10）.Measurement：86（L）×39（W）×16（H）mm
4.Device status indicators
4.1 Connect DC 9V-85V power supply, the red LED and the blue LED
will light continuously. When Network ready, the red LED will
be flashing.

4.2 The blue LED light continuously when searching the GPS signal.
Once GPS fixed, the blue LED will be flashing.
5.Installation
5.1 Prepare for installation
5.1.1 Product Check. Open the packing box and check the device’s model
and accessories. If the model is wrong or the accessories not
complete, please contact the dealer.
5.1.2 Choose SIM card. Please take dealer’s advice as reference.
5.1.3 SIM card installation. Discharge the cover of the device after
uncover the SIM card holder.
5.1.4 Connect the device to the 9V-85V power supply.
5.1.5 Install the device in the hidden place of the car.
5.2 Installation
The GPS tracker must be installed under professional
personnel.
Note：
1) Please install the device in the hidden place as
followings：

2) Avoid being placed with signal radiators like reverse
sensor ；
3) The device has NETWORK antenna and GPS antenna inside.
Please ensure the receiving side of the device is face up
and without metal cover.
Note: The metal cover will lessen the receiving of GPS
signals.
6. Device wiring requirements
6.1 The device power supply is DC 9V-85V. The red line is
positive pole while the black line is negative pole.
6.2 The negative pole of power supply connects with ground or
the metals. Please do not connect with other ground lines.
6.3 When finishing the power supply wire connection, please
make the plug of power supply to the device.
7.The Device Working
7.1 Power on:Connecting to the power. Then the two LED indicators will

light. The device will upload the data to the online platform.
When the car is in static state for a long time, the device
will be in energy saving mode.
7.2 Power off：Pull off the power plug then power off the device.
8.User Settings
8.1 SMS Commands instruction
1)Center Number
Text
command
Parameter
Sample
CENTER Add
710#number#
711#number#
710#13500135000#
711#13800138000#
CENTER Del
D01#
D02#
D01#
D02#
Command
Feedback
Successful Setting：Add admin account 1 OK!
2) View Center Number
Text
command
Parameter
Sample
View
901#
901#
Command
This directive is used to view Device

Description
Manager number.
Command
Feedback
Successful Setting：Admin1:
Admin2:
3)Authorized Number Set
Text
command
Parameter
Sample
Authorized
Add
101# number #
102# number #
103# number #
1：101#13800138000#
2：102#12345678912#
3：103#12345678912#
Authorized
Del
D11#
D12#
D13#
D11#
D12#
D13#
Command
Description
1) Authorization number for SMS control
oil.
2) Only three numbers to set the
authorization number
Command
Feedback
Successful Setting：Add Authorization
account 1 OK!
4) View Authorized Number

Text
command
Parameter
Sample
View
authorized
C10#
C10#
Command
Description
This directive is used to view the
equipment authorization number
Command
Feedback
Successful Setting：
Authorization 1：
Authorization 2：
Authorization 3：
5)APN Setting
Text
command
Parameter
Sample
APN Setting
802#APN#username#passw
ord#
1：802#intenet#123#123#
2: 802#internet#
Command
Description
APN differs according to the local telecom
operators.
For example：APN request password，please refer to
Sample 1，and Sample 2 for no password.
Command
Successful Setting：SET APN OK！

Feedback
6) Set Server
Text
command
Parameter
Sample
SERVER
Parameter
803#SERVER#port#
1.803#www.trac123.com#7018#
2: 803#47.243.91.120#7018#
View SERVER
CIP#
1）CIP#
Command
Description
Change the IP and port when move to a new
server
port：10~65535
Command
Feedback
Successful Setting：set IP OK!
7)Moving Time Interval
Text
command
Parameter
Sample
TIMEER
Parameter
setting
730#upload interval#
730#20#

Command
Description
Scope ：0，5~16960 seconds ；0,no data
uploading；
5~16960,means time interval；the default
value is 30 seconds.
Command
Feedback
Successful Setting：SET TIMER OK！
8)Static Time Interval
Text
command
Parameter
Sample
STATIC
731#time interval#
731#5#
Command
Description
Scope：1~7936 seconds；
The default time interval is 300 seconds.
Command
Feedback
Successful Setting：SET STATIC TIME OK！
9) Cancel the continuous upload
Text
command
Parameter
Sample
NUP
NUP#
NUP#
Command
This command is used to cancel sending data

Description
to the platform
If need again to restore the uploading,
need to send upload time interval setting.
Command
Feedback
SET OK！
10)Oil-Cut
Text
command
Parameter
Sample
RELAY
Parameter1
222#
222# Cut off oil and
power
RELAY
Parameter2
333#
333#
Recover oil and power
Command
Description
1)RELAY control the start and closeness of
the relay
2) Only the center number can operate.
3）The device only cut off the oil circuit
on the condition of the driving speed below
20KM/H or in static state.
4)When send the command, the device will
reply ‘please waiting’When the vehicle
speed is over 20KM/H, the device will cut
off the oil or the power when the speed

below 20KM/H.
Feedback
Successful Setting：Fuel cut has already
been completed OK!
11)GMT
Text
command
Parameter
Sample
GMT
801#location time Zone#
801#E8#
801#W4#
Command
Description
The default time zone is Beijing time.
please operate according to the above
command.
Command
Feedback
Successful Setting：Set time zone ok!
12)Vibration Alarm
Text command
Parameter
Sample
Open Vibration
911#
911#

Alarm
VIBRATION
Parameter
123#sensitivity#alarming
way#
1)
123#2#3#
Set into
Vibration
alarm time
V123#2#
1)
V123#2#
2)
V123#1#
Cancel
vibration
alarm
910#
910#
Command
Description
The sensitivity value of the vibration
is from 1 to 5，1is the most sensitive
and o is close. Alarming ways: 1,
calling 2, texting, 3 Calling and
texting.
Need set the center number and receiving
number.
Command
Feedback
Set vibration alarm level，OK!
13)Speed Alarm

Text
command
Parameter
Sample
SPEEDING
Parameter
SSA#speed#alarm
way#
1) SSA#120#
2) SSA#150#3#
Command
Description
The speed scope is form 60-220, if the
speed is not in this cope, the alarm is
off.
Alarming ：1. calling, 2. texting,
3.calling and texting.
Need set the center number and receiving
number.
Command
Feedback
Successful Setting：set speeding alarm，OK!
14)Reset
Text
command
Parameter
Sample
RESET
930#
930#
Command
Description
Reset the device
Feedback
Successful Setting：Reset system, ok!

15)Factory
Text
command
Parameter
Sample
Parameter
940#
940#
Description
Restore the factory setting
Only center number can initial this
function
Factory setting will recover to the
original setting
Feedback
Successful Setting：FACTORY OK！
16)Position
Text command
Parameter
Sample
command
666#
666#
Command
Description
Check the location link of Google map
Command Feedback
<Datetime:12-07-05 13:21:30>
http://maps.google.com/maps?q=N22.54088
5,E113.95265

17)Version
Text
command
Parameter
Sample
VERSION
V00#
V00#
Command
Description
The command is to check the software
version
Command
Feedback
VERSION:Xxxx
BUILD:2012-07-05 10:12
18)Param Check
Text
command
Parameter
Sample
PARAM
886#
886#
Command
Description
The command is to check the settings and
the default parameter.
Command
Feedback
IMEI:351190012535936
APN : cmnet
IP:IP and port
TIMER: moving uploading interval
STATIC: static uploading interval
CENTER: center number

LANG: language(CN/EN)
GMT: time zone (E/W8)
19)Status Check
Text
command
Parameter
Sample
STATUS
902#
902#
Command
Description
The command is designed for checking the
device’s working status.
Command
Feedback
External power:ON/OFF
GSM Signal:HIGH/MIDDLE/LOW
GPS:FIXED/UNFIXED
RELAYER:DISABLE/ENABLE
Vibrate Warning:ON/OFF
8.2 Platform
Website: http://www.trac123.com/
Login as Account or ID, ID is in the label on the tracker.
Enter ID
The default Password:123456

APP: Please search TRAC123 in Google store or Apple store.
Or use mobile phone browser scan below QR code.
In production, IP, port have been writed in, normally the tracker
will be auto online, if the tracker offline, Please set APN by sms
command.
Please get APN from sim card inserted mobile operator.
For example,if you are in Brazil, and the sim card in the tracker is
from Claro.
Please send below SMS command to set APN:
802#java.claro.com.br#claro#claro#
If you lost IP, port, please send below SMS command by admin
number to set them back：
803#www.trac123.com#7018#
9.Trouble shooting
9.1 The device is not online or offline on the web
platform.
9.1.1 First, please check the 2 LED working state. If
possible. You can call the device’s number to check.
●If not connected, the device is out of signal. If
the NETWORK signals cannot reach your location,
please drive to the open sky.
⚫If reminding the device SIM card is out of deposit,

please make deposit by the telecom operator.
●If you can connect to the device when calling, the SIM
card has deposited and please check with your operator
for NETWORK function. You also can check by searching the
internet on your mobile phone.
●If reminding the device is power off, please turn back
the device and proceed as followings:
a)Check if the red LED is in constant glow. If the LED is
dark, please check the power connecting. If fuse is
broken, please return the device to the seller.
b)If the red LED is not flashing, please check the
installation of SIM card.
9.1.2 Please check the offline area in order to judge if the
network problem of operators.
9.2 When GPS cannot receive the signals, please drive in the
open sky and ensure there is no metal thins on the device.
9.3 When the device cannot receive NETWORK signal, please
check the SIM card installation. If the GSM signals cannot
reach your location (such as the basement), please drive
to the open sky.