WANWAY TECH GS21 User manual

Vehicle OBD2 GPS Tracker
GS21 User Manual
Thank you for choosing WanWayTech GPS Tracker. The instruction manual will explain in
details how to operate this device. Please read it carefully before installation. We reserve the
rights to change the appearance, color and accessories of this product without prior notice.

1、Functions and Parameters
1.1 Functions
Location check, geo fence, overspeed alarm, track playback,
vehicle fault diagnosis, OBD data detection
1.2 Parameters
●GSM850/900/1800/1900MHz
●Input voltage:9V - 35V
●Position time: Hot: ≤5sec (open sky)
Cold: ≤35sec (open sky)
●Dimension:47mm * 20mm * 43mm;
●Accuracy: ≤10 meters;
●Working Temperature:-20°C to +55°C
2、Accessories and LED working status
2.1Accessories:
Standard Packing: Device+Manual+Warranty Card
2.2 LED working status
2.2.1 Yellow (GSM)
Status
Description
Fast blinking
GSM initialization
Long bright
GPRS normal/Online
No lights
GSM in sleep mode
2.2.2 Blue (GPS)
Status
Description
Fast blinking
Searching for GPS signal
Long bright
GPS working normally
No lights
GPS in sleep mode

3、Installation instructions
3.1 Preparations before installation:
i. Open the box and check whether the equipment model is
correct and the accessories are complete, otherwise please
contact your supplier;
ii. SIM card selection, the terminal needs to insert a Micro SIM
card with normal internet services.
iii. SIM card installation (as shown in the figure below), align the
cutaway side of SIM card to the card slot, push the sim card
into the slot –requires a small screwdriver to push in until
clicks in.
Notes:
1) Please disconnect the power of the terminal before installing or
removing the SIM card;
2) SIM card needs to enable GPRS function；
3) The SIM card needs to enable the caller ID display function;
4) If your SIM card is turned on and requires a SIM PIN, please refer to
your mobile phone user manual to turn off the SIM PIN input
function;
5) Please make sure the SIM card is at service.

3.2 Installation
This OBD device is equipped with J1962 OBDII universal interface

4、Trouble Shooting
After the terminal is installed for the first time, it has been unable to
connect to the background server, and the device is not online. Please
check the terminal installation:
Please refer to the following problems and solutions to do trouble
shooting; if the problem still cannot be solved, please contact your
supplier.
Common issues
Description
Solutions
Poor signal
Device is under poor
signal areas like
basement and tunnels.
Move to open sky areas
Platform showing
Inactive
Check installation
Need to find the correct
OBD interface
SIM Card not inserted
properly
Check SIM Card
LED Status
Check LED blinking status
SIM Card not enabled
with GPRS functions
Contact SimCard provider
Wrong Location
GPS not located
Move to open sky areas
Vehicle keeps showing
static
Drive out to open sky area
and test
Platform showing
offline
SIM Card problem
Check SIMCard status
Poor signal
Move to open sky areas