Instructions for WhatsGPS models including: G21L, G21L High Quality GPS Tracker, High Quality GPS Tracker, GPS Tracker, Tracker

G21L-英文20231103

User manual 2

SEEWORLD Technology Co.,ltd G21L 2AWTV-G21L 2AWTVG21L g21l


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LED type LED status Flash
Slow flash Green Always on

Meaning Network initializing The network reception
signal is normal
Network/GPRS online

Not bright

Network signal is not received /the card is not inserted

Flash

BD/GPS signal search

Blue Always on BD/GPS positioning success

Not bright GPS sleeping/not working

Red

Always on Connect the external power Not bright Disconnect external power

2.4 Relay Wiring Instructions

Remote Cut-Off (Fuel
/Power)
 wiring diagram 

Oil pump 

Green

Green

87A 30
relay
(12V) 86 85

USPE 2A Red
Black
-
9-90V

5V out DO3 DIN3 DO2 DIN2
Yellow ON

Power supply

ACC

Orange LOCK

White
START Car key

Relay wiring of the pump: The oil joint at both ends is a thin white line (85) and a thin yellow line (86). The thin white line (85) is connected to the positive power supply (+ 12V) of the vehicle. The thin yellow wire is connected to the device relay control wire. Cut off the positive connection cable of the pump: then connect in series to the normally closed contact of the relay (thick green line 87A), and connect the other end to the COM contact of the relay (thick green cable 30).
2.5 Installation method The installation mode of the device is hidden installation. It is recommended that the installation be carried out under the guidance of the professional and technical personnel designated by the dealer. Pay attention to the following matters: * To avoid damage by thieves, the device location should be hidden as far as possible; * Avoid being placed with transmitting sources such as reversing radars, burglars, and other in-vehicle communication devices;

* Can be fixed with cable ties, or with wide sponge strong double-sided adhesive; * The device has a built-in GSM antenna and GPS antenna. When installing, it should be sure to face up (towards the sky), and there is no metal shielding above.
3. Installation Diagram

Around thedashboard Under decorativepanel

Under the rear windshield

4. Specification

Project Operating voltage Working current
Static current
Target method Positioning error Communications
network

Specification DC 9V - 90V 53mA
11 mA
GPS+BDS < 10M
2G/4G

Remark
12V When not charging

Communication frequency band

LA: LTE-FDD B2/B4/B5/B7/B66 GSM 850/1900 MHz

Communication mode

TCP

Range of working temperature
Working humidity

-20~+75
2. M10 a%RiHnjF8u5n%RcHtion

Specifications size

L98.5*W38*H17mm

Weight

71g

Built-in battery capacity

300mAh

Warranty period

1 year

5. Description of Common Commands

The following commands can be sent via SIM card SMS or issued via whatsgps platform 5.1 Common setup commands

SN

Command function

Command format

Remark

SERVER,1,[Doma

inName/IP],[po

1

Set online

rt]0#

Set the device to point

SERVER,1,gps.wh to Server IP and port

atsgps.com,68

010#

APN, [APN's
2 Set APN name]#APN,
cmiot#

The APN varies according to the local telecom operator

3

Set upload interval

TIMER,[T1]# TIMER,10#

T1: 5-18000 seconds, motion upload interval, the device defaults to 10s

4

Heartbeat interval setting

HBT,[T]# HBT,3#

T: 1-1440 minutes, heartbeat packet upload time interval, the default is 3min

5

Set time zone

GMT,[A],[b], [C]#GMT,E,0,0 #

A=E/W, for the eastern and western time zones; B: 0-12, is time zone C: 0,15,30,45, which represents the half time zone and defaults to 0.



References

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