
Please read this manual carefully before attempting installation and online activation.
Pictures are for indication and illustration purposes only.
Chapter I Preface
1. 1 General
LDW-TKV103B represents the perfect combination of GSM, GPRS and GPS
technologies. This model, with precise dimensions and compact appearance, expresses the
advanced workmanship in the GSM and GPS field and is the typical design combing
communication products and GPS services. As a professional security and positioning
company, we will provide you with more and better products and services. Before use, please
spend several minutes reading this user’s manual in order to understand operation details and
obtain better services.
Chapter II About the Device
2.1 Product Features
● Individual or fleet GPS polling
● Worldwide use
● Supports GSM frequencies 850/900/1800/1900MHz
● High-sensitivity, latest technology and the most advanced GPS chip
● Can accurately position even if with weak signal
● Can work effectively in limited space such as the remote and narrow places;
● compact size, easy for hiding
●Low energy consumption
●Remote oil cutoff
● Fast signal capturing
● supports two modes: text message polling and GPRS trace tracking
● Alarm function
● Vibration alarm
2.4 Product Specifications
2.4.1 Technical specifications
Class 12, TCP/IP build in GSM MODULE

72.00(L) x 38.0(W) x17.0(H) mm
~60mA(12v DC) ~35mA(24v DC)
LED indicate GPS、GSM working status or other
condition
2.4.3 The indication of the terminal state
Red LED------Power/Running-state
Indicate the power supply, normal
working state
Out of power or internal fault
Green LED------GPS Signal
GPS signal received normally
GSM signal OK/Call coming

2.5 Installation
2.5.1 Preparation
1.Check the product: open the package, and check the terminal model and fittings.If
there is something wrong, please contact the distributor.
2 Select the SIM card: it must insult a GSM SIM card, and the selection of SIM card
must follow the distributor's suggestion.
3 Install the SIM card. Firstly, open the cover of the terminal, remove the cover on the
slot for SIM card; secondly, insult the card into the slot with the metal side in the bottom;
thirdly, fasten the slot(do as the following instruction); finally, recover the terminal and lock
the shell tightly with three screws.
Tips :
Don't insult the terminal SIM card up-side-down.
You must open the GPRS function provided by the terminal SIM;
If your SIM card has been setup, but it requires you to input SIM PIN, please close the
SIM PIN function under the instruction written in the user manual.
Make sure the sufficient money to pay for the terminal SIM card charge
Check the GPRS network connection with your mobile phone.
2.5.1.2 AS for the open installation, at first it should glue the soft robber magnet (in the
fitting picture ) on the decoration below the front windshield; then put the terminal on
the magnet and fix it.

Attention:
If you have no soft robber magnet, please purchase after connect with the distributor.
Chapter III SMS command format
Command list for configing(Note: All the setup below can be only made by Center admini number
and authorization number .)
1) Center admini number setup
1)Cut off oil by Center number.
2)only can setup 2 mobile numbers as center number
3)you should delete the former center before you change the center
number
Center number setup success/Delete success
1) Center admini number inquiry
This command use for check the center number
Admin1:mobile number
Admin2:mobile number
3)Authorization number setup
101#mobile number#
102#mobile number#
103#mobile number#
1:101#13800138000#
2:102#12345678912#
3:103#12345678912#
Delete authorization
number
1)Authorization can cut off oil.
2)only can set 3 numbers as authorization number
3)you should delete the former number before you change the
authorization number
Authorization number set success/Delete success

4)Authorization number inquiry
The command use for checking authorization number
Authorization 1:Authorization 2:Authorization 3:
802#apn name#user#password#
1:802#intenet#123#123#
2:802#cmnet#
When APN need user and password,pls see eg-1,No need user and
password pls see eg-2
6) Setup IP connection/Inquiry Ip and Port number
803#IP address#port number#
1) 803#115.29.228.122#7018#
Its use for setup IP connection and inquiry.
1)control the oil for cut off and restore
2)Only center admini number and authorization number can do it
3)the command only will be founction when the speed of vehicle
less than 20km/h.
8)Vehicle defense setup/Close vehicle defense
The command use for setup defence or close defense(it’s for
vehicle movement in illegal and virbation alarm)
Class: from 1 to 5, its for the virbation alarm class, 1 is the highest
sensitive, and 5 is the lower sensitive class. Mode : from 1 to
3.,it’s for the way of getting alarm,1 is SMS, 2 is Pone call, 3
is SMS and phone call both ways.
Alarm starting time setup: Starting time from 1 to 10miniutes.
Default time is 5miniutes.;
Cancel virbation alarm: when you cancel the alarm and want to
open it again. Then you should set it again
Config success! Or starting time is or Cancel alarm sucess

10)Over speed alarm setup
1) SSA#120#
2) SSA#150#3#
Setup alram interval time
The speed in 60~220,Default is close. Mode: from 1 to 3.
1 is SMS, 2 is phone call, 3 is sms and phone call both ways.
When you cancel the over speed alarm and you want to open it
again and you should set it again.
Alarm interval time:Default time is 5miniutes, range: 1~60
miniutes, it’s mean every 5 mins will upload one alarm
Over speed alarm sertup sucess!alarm mode is sms or phone call
Over speed alarm interval time setup success.
Cancel over speed alarm sucess!
E is East timezone,W is west timezone,E8 it’s mean East
timezone 8,W8 it’s mean West timezone 8.
It’s use for restart the device
The device will be restart soon!
1 is Chinese, and 0 is english. Default language is Chinese.
14)Set interval time under movement
This command use for set the inerval time when the vehicle is
moving.
time:in the range of 10~60s
default time is 15s
Movement interval time setup success!
15)Set interval time under static
Static interval time setup
This command use for set the inerval time when the vehicle is
static.
Time:in 1~60miniutes
Default time is 5 miniutes
Static interval time setup success!

This command use for cancel the device upload the data to the
server.
If need restore the data upload and should set movement
intervaltime or static interval time again.
17)Restore to factory setting
This command use for restore to factory setting, it’s only can be
sent by admini number
Restore to factory setting!
18)Check version information
This command use for check the version number and IMEI
number etc.
Version number, IMEI number, Status etc..
This command use for inquiry the current address
Current real time address.
20)Latitude & longitude inquiry
Latitude&longitude
inquiry
This command for inqiry current postion with longitude,
latitude ,speed,time and date etc..
Longitude,latitude,speed,IMEI number,time and date etc..
21)Check the configuration parameters
This command for checking the status of the device
Tracker:
IMEI:XXXXXXXXXXXXXXX
Base information:
Version number: XXXXXXXXXXXXXXX
Signal intensity:XXX
APN:XXXXXX
Server IP:XX.XX.XX.XXX
Port:XXXX
Protocol:TCP/IP
GPS information:
GPS interval time:XX s
GPS satellite numbers XX

This command use for check the current status of the device
IMEI:3533270XXXXXXXX
APN:uninet
Server IP:XX.XX.XX.XXX
Port:XXXX
Language:Chinese
Timezone:E8
4.2 Tracking on platform
Please visit www.gps288.com for online real-time tracking and fleet management.
For details, please refer to our tracking system user manual.
4.2.1 Single unit login:
4.2.2 Management account login:

Notes
1. This non-waterproof equipment, please be sure to have waterproof bag.
2. This equipment has to work with GSM network.
3. Please ensure that there are enough expenses in SIM card in order to avoid
the inconvenience of using.
4. This equipment cannot work in the power failure state and outside the service
areas, even if the registered users.
5. This equipment supports GPS and GSM/GPRS double positioning, regarding
as the same with the GPS positioning results.
6. Please use this equipment in the legal areas. The consequences of any
violation of the law will be undertaken by the users themselves.