iStartek VT900 User manual

File Name
VT900 User Manual
Version
1.3
Update
2019-03-6
Page
1 of 14
Copy Right © 2018 Shenzhen iStartek Technology Co., Ltd.
iStartek GPS Vehicle Tracker
User Guide V1.3
VT900

File Name
VT900 User Manual
Version
1.3
Update
2019-03-6
Page
2 of 14
Copy Right © 2018 Shenzhen iStartek Technology Co., Ltd.
Content
1. Copyright and disclaimer.................................................................................................................................................3
2. Product Overview............................................................................................................................................................3
3. VT900 Functions.............................................................................................................................................................3
4. VT900 Characteristics.....................................................................................................................................................4
5. Hardware and Accessories..............................................................................................................................................5
5.1 Standard Accessories..........................................................................................................................................5
5.2 Optional Accessories...........................................................................................................................................5
6. Product Appearance........................................................................................................................................................5
7. Product Use ....................................................................................................................................................................6
7.1 Charge.................................................................................................................................................................6
7.2 Insert SIM Card....................................................................................................................................................6
7.3 Antenna Connection ............................................................................................................................................6
7.4 VT900 Power on..................................................................................................................................................7
7.5 Track by Phone....................................................................................................................................................7
7.6 Track by SMS ......................................................................................................................................................8
7.7 Parameter configuration ......................................................................................................................................8
7.8 Platform location tracking.....................................................................................................................................9
8. Product Installation..........................................................................................................................................................9
8.1 Funtions introduction for Inputs/ Ouptuts.............................................................................................................9
8.2 RS232 port.........................................................................................................................................................10
8.3 GND Installation.................................................................................................................................................10
8.4 Digital Inputs installation....................................................................................................................................10
8.5 Analog Input (AD1) installation........................................................................................................................... 11
8.6 Output Control wire installation..........................................................................................................................12
8.7 Temperature sensor installation (customized)....................................................................................................12
8.8 RFID Card Reader installation...........................................................................................................................13
8.9 iButton Installation (customized)........................................................................................................................13
8.10 Magnetic Card Reader installation (customized) .............................................................................................14
8.11 Ultrasonic Fuel sensor installation ...................................................................................................................14

File Name
VT900 User Manual
Version
1.3
Update
2019-03-6
Page
3 of 14
Copy Right © 2018 Shenzhen iStartek Technology Co., Ltd.
1. Copyright and disclaimer
Copyright © 2018 iStartek. Shenzhen iStartek Technology Co., Ltd.
iStartek and is a registered trademark of Shenzhen iStartek Technology Co., Ltd.
This user manual shall not be reproduced for any purpose or transmitted in any way without written authorization of iStartek
company.
iStartek shall not be liable for any direct or indirect damages (included but not limited to economic losses, personal damage,
loss of property and assets) caused by the use, non-use or improper use of this product or documentation.
2. Product overview
VT900 is a GPS/WCDMA based tracking device, specially developed and designed for vehicle real-time tracking and fleet
management.
VT900 has an inbuilt GPS module to obtain accurate position data. This device utilizes its GSM/WCDMA capability to send
position data to a specified mobile phone or server base for tracking and fleet management.
With internal memory, VT900 can store GPS coordinates when there is no GPRS/WCDMA connection, or at a specified
interval requested by the user.
One optional feature of VT900 is that a RS232 port Can connect RFID card reader, magnetic card reader and other
Accessories.
3. VT900 has the following functions and features:
SMS and GPRS/WCDMA TCP/UDP Communication
Track on Demand
Track by Time Interval
Track by Distance
Heading change Report
Show Location Directly on Mobile Phone
SOS Alarm
Power-cut Alarm
Engine/ door on/ off status alarm
Geo-fencing Alarm
Speeding Alarm
GPS Blind Area Alarm (in/out)
Hash acceleration alarm
Hash deceleration alarm
Low Battery Alarm
Low external power supply alarm
Mileage Report

File Name
VT900 User Manual
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Update
2019-03-6
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8MB Flash Memory
OTA
ACC ON/OFF Time Interval
Remotely Engine Cut (Stop Engine)
RFID Reader Optional
iButton Optional
Buzzer Optional
Fuel sensor Optional
Temperature Sensor Optional
4. VT900 Characteristics
Items
Specifications
Dimension
65 x 61 x 26mm
Weight
106g
Power supply
DC 9 - 36V/1.5A
Backup battery
500mAh/3.7V
Normal power consumption
65mA/h
Work time
33hours in power saving mode and 7.5 hours in normal mode
Operation temperature
-20℃to 55℃
Humidity
5% to 95%
GSM/UMTS Frequency
VT900-T：
UMTS/HSDPA: 850/2100MHz
GSM/GPRS: 850/900/1800/1900MHz
VT900-A：
UMTS/HSDPA: 850/1900MHz
GSM/GPRS: 850/900/1800/1900MHz
VT900-E：
UMTS/HSDPA: 900/2100MHz
GSM/GPRS: 900/1800MHz
GPS Sensitivity
-165dB
Location Accuracy
2.5 Meter
LED Indicator
2 LED lights to show GPS/GSM/WCDMA status
Antenna
External GSM/GPS Antenna
Flash Memory
8MB（16192 GPRS/WCDMA location data, 256 SMS)
Sensor
Vibration sensor
Inputs/Outputs
3 digital inputs（1 negative trigger, 2 positive trigger）
1 analog input（0~24V）
2 digital outputs

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1 RS232
1 USB port
5. Hardware and Accessories
5.1 Standard Accessories
Main Unit Power Cable GPS Antenna GSM Antenna
5.2 Optional Accessories
RFID Card Reader RFID Tags iButton Reader iButton
Ultrasonic Fuel Sensor Lever Type Fuel Sensor Temperature Sensor Relay
Magnetic Card Reader USB Cable
6. Product Appearance

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2019-03-6
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7. Product use
7.1 Charge
For the first time using the VT900, please connect the DC (positive) and GND (ground) to the 12V or 24V power supply for
at least 2 hours to ensure sufficient power. After configuration and testing, install it on the vehicle.
7.2 Insert SIM Card
Device supports SIM cards of 2G and 3G networks;
Please ensure that the SIM card has sufficient balance, and has opened the GPRS function and obtained the correct APN
of the SIM card;
Please make sure that the PIN lock function of the SIM card has been turned off;
If you need to use the call to reply to the location information function, please make sure that the SIM card has caller ID
function;
a. Make sure the device is turned off before installing the SIM.Unscrew the front baffle screw and take out the PCBA
b. Insert SIM Card
c. Fit on PCBA and screw on the screw
7.3 Antenna Connection
Connect GSM antenna on the SMA connector labeled "GSM" and connect the GPS antenna on the SMA connector labeled
"GPS" , also ensure that both antennas are tightened.
The GSM antenna can be hidden in any place away from the power supply and cannot be attached to the metal surface,
otherwise it will affect the GSM signal strength.
GPS antenna is used to receive satellite signal in the sky and should be fixed to face the sky and can not be installed in a

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place with metal shielding.
7.4 Turn on VT900
Long press the power button for 3-5 sec, or connect to the external power supply, VT900 will turn on.
LED operation status：
GPS（blue）
On
Input is active
Off
Device Turn off or in sleeping mode
Flashing（every 0.1 sec）
GPS module is starting up or restarting
Flashing（0.1 sec on and 2.9 sec off）
VT900 Received GPS signal
Flashing（1 sec on every 2 secs）
No GPS signal
GSM（green）
On
A call is coming in/a call is being made
Off
Device Turn off or in sleeping mode
Flashing（every 0.1 sec）
GPS module is starting up or restarting
Flashing（0.1 sec on and 2.9 sec off）
VT900 Received GSM signal
Flashing（1 sec on every 2 secs）
No GSM signal
7.5 Track by Phone
Make a missed call to the tracker and it will report its location by SMS with the following google link format, clicking on the
link the location will be shown directly on your mobile phone.
SMS content description:
142161102222,Current! 20171123 15:53,A,0Km/h,http://maps.google.com/?q=22.540103,114.082329
Content
Instruction
142161102222
ID number
Current!
Alarm character, different alarm events have different alarm character
20171123 15:53
Date and time，YYYYMMDD hh:mm
A
GPS status, A is valid, V is invalid
0Km/h
GPS speed
http://maps.google.com/?q=22.540103,114
.082329
Google link

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Update
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7.6 Track by SMS
Command: W******,000
Description: Send this command to the tracker and you will receive an SMS with an http link. Click on the link and the
location will be shown directly on your mobile phone using Google maps.
For SMS descriptions and more SMS commands please refer to iStartek SMS Protocol .
7.7 Parameter Configuration
Download and install USB cable driver PL2303_Prolific_Driver
Connect VT900 to the computer via USB cable. Operating Parameter_Editor configuration software and open the port.
Press the on/ off button for 1sec to make device enter Parameter Editor configuration state.

File Name
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For more parameters configuration, please refer to the user guide of Parameter Editor.
7.8 Platform location tracking
You can set server IP, Port and APN, GPRS interval by SMS commands 011, 012, 013, 014, or you can use
Parameter_Editor software to configure related parameters.
8. Product installation
8.1. Functions introduction for Inputs/outputs
DC
AD
OUT2
OUT1
GND
IN3
IN2
IN1
PIN
Color
Function
DC
Red
DC In (power input). Input voltage: 9V~36V. 12V/24V suggested.
GND
Black
Ground
IN1
White
Digital input 1, negative trigger.
Can be used to connect SOS button.
IN2
White
Digital input 2, positive trigger.
Can be used to connect the starting door trigger signal line and detect the status of the door.
IN3
White
Digital input 3, positive trigger.
Can be used to connect ACC and detect the ignition status of the car.
OUT1
Yellow
Output 1. Low level (0V) when the output is valid, open leakage output (OD) when it is invalid.
The maximum withstand voltage of open leakage output (invalid) is 45 v.
The maximum withstand current at low voltage is 500 ma.
External relays can be connected to remotely cut off the oil line/engine power supply, etc.
OUT2
Yellow
Output 2. Low level (0V) when the output is valid, open leakage output (OD) when it is invalid.
The maximum withstand voltage of open leakage output (invalid) is 45 v.
The maximum withstand current at low voltage is 500 ma.
It can be connected with external buzzer alarm, etc.
AD
Blue
10-digit analog input, effective input voltage value is 0-24v.
Can be used to connect external sensor, such as fuel sensor, etc.

File Name
VT900 User Manual
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Update
2019-03-6
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8.2 RS232 port
RS232 port can connect with RFID, magnetic card reader and other accessories.
1
DC 5V
output
3
VT900 RX
2
GND
4
VT900 TX
8.3 GND installation
Connect respectively the power cable and GND to the positive pole and negative pole of the car battery to give Power
supply：
8.4 Digital inputs installation
Input3 can be connected to the ignition switch of the car to detect the ignition.
Input1 or Input2 can be connected to the car door to detect the status of the door.