LTE AT Plus 4E User manual

1
LTE Tracker
AT Plus 4E User Manual
Revision: 1.00
Document Title
AT Plus 4E User manual
Version
1.00
Finale Date
2019-06-06
Status
Released
Document Control ID
TRACKER AT Plus 4E
Contents

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1 Introduction...................................................................................................................................... 3
2 Product Overview.............................................................................................................................3
2.1 Appearance............................................................................................................................ 3
2.2 Buttons/USB Interface Description...................................................................................... 3
2.3 LED Description................................................................................................................... 4
3 Getting Started..................................................................................................................................5
3.1 Parts List................................................................................................................................5
3.2 Battery Charging................................................................................................................... 5
3.3 AT Plus 4E Charger...............................................................................................................5
3.4 Power on/Power off...............................................................................................................6
4 Frequency......................................................................................................................................... 6
5 Trouble shooting and Safety info..................................................................................................... 7
5.1 Trouble shooting................................................................................................................... 7
5.2 Safety info............................................................................................................................. 7

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1 Introduction
AT Plus 4E is a powerful GPS locator which is designed for vehicle, human, pets and assets
tracking. It works on LTE Cat M1 and NB-IoT FDD 1, FDD 3, FDD 8, FDD 20, FDD 28 and
GPRS/EDGE 900/1800 with superior receiving sensitivity. Its location can be real time or
schedule tracked by backend server or specified terminals. Based on the embedded wireless
tracking protocol, AT Plus 4E can communicate with the backend server through LTE network,
and transfer reports of emergency, Geo-fencing, device status and scheduled GPS position etc…
Service provider is easy to setup their tracking platform based on the functional wireless tracking
protocol.
2 Product Overview
2.1 Appearance
Figure 1-1
2.2 Buttons/USB Interface Description
Button /12PIN Interface Description
KEY/interface
Description
Power Key
Power on AT Plus 4E
Power off AT Plus 4E (If power key is enabled)
Function Key
SOS mode
USB interface
Connected to a charger can power on AT Plus 4E
Backend server developer or administrator can use the debug cable to
configure AT Plus 4E (by engineer not by end user).
Reset Key
Click the key will turn off internal VBAT when OS is abnormal, and then
press Power Key to restart AT Plus 4E.

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2.3 LED Description
Figure 1-2
There are four LED lights in AT Plus 4E device, the description as following.
Light
Event
State
GPS LED
GPS signal valid
Fast flash
GPS turned off, GPS signal invalid
Dark
Power key was pressed and prepare to
power on
Solid
GSM LED
Network has been registered
Slow flash
Power off
Dark
Power key was pressed and prepare to
power on
Solid
Power LED
Power on and normal
Dark
Fully charged
Solid
In charging
Slow flash
Power key was pressed and prepare to
power off
Solid
Power key was pressed and prepare to
power on
Solid
WIFI LED
WIFI on
Slow flash
Power key was pressed and prepare to
power on
Solid

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3 Getting Started
3.1 Parts List
Name
Picture
Remark
AT Plus 4E
Locater
The LTE/GPS locator.
AT Plus 4E
charger
It used to be charging for the
AT Plus 4E.
3.2 Battery Charging
The following items are suggestion for battery charge, please pay more attention.
During the charging process, the Power LED light will slow flash. When the battery
is fully charged, the Power LED light will be Ever-dark.
You can charge the battery using charging dock which connects AT Plus 4E device
with the Adapter.
Charging will last about 5 hours.
Note: If the AT Plus 4E device is firstly used, please make sure the battery is fully charged,
which will make the life of battery much longer.
3.3 AT Plus 4E Charger
AT Plus 4E is charging with an AC Adapter.
The charger is used for device charging , which can be used for charging at the any time
( by end user)..

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Figure 2-1
3.4 Power on/Power off
Figure 2-2
Power on:
Press the Power key at least 3 seconds and release it to power on AT Plus 4E
device. Note that, the Power LED light will light for a moment and then turn off.
Power off:
Press the power key about 3 seconds; Power LED light will light for a moment and
then turn off, which indicates that AT Plus 4E device has been powered off.
Note: the user can not power off AT Plus 4E if the power key is disabled by
protocol.
4 Frequency
LTE Cat M1 and NB-IoT : FDD 1, FDD 3, FDD 8, FDD 20, FDD 28
GPRS/EDGE : 900MHz/1800MHz
GPS:1575.42MHz

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WIFI:2.4GHz
5 Trouble shooting and Safety info
5.1 Trouble shooting
5.2 Safety info
The following items are suggestion for safety use, please pay more attention.
Please do not disassemble the device by yourself.
Please do not put the device on the overheating or too humid place, avoid exposure
to direct sunlight. Too high temperature will damage the device or even cause the
battery explosion.
Please do not use AT Plus 4E on the airplane or near medical equipment.
FCC Caution.
§ 15.19 Labelling requirements.
This device complies with part 15 of the FCC Rules. Operation is subject to the
condition that this device does not cause harmful interference.
Trouble
Possible Reason
Solution
Messages can’t be
reported to the
backend server by
Mobile network.
APN is wrong. Some
APN can not visit the
internet directly.
Ask the network operator for the right
APN.
The IP address or port of
the backend server is
wrong.
Make sure the IP address for the
backend server is an identified address
in the internet.
Unable to power off
AT Plus 4E.
The function of power key
was disabled by
AT+GTFKS.
Enable the function of power key by
AT+GTFKS.
Battery can not be
charged
The battery has not been
used for too long time and
has been locked.
Using a external power source with 3.6V
to 4.2V DC power supply to active the
battery or apply for after sale help.
AT Plus 4E can’t
fix GPS
successfully.
The GPS signal is weak.
Please move AT Plus 4E to a place with
open sky.
It is better to let the top surface face to
the sky. (The same surface with
indication LED)

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§ 15.21 Information to user.
Any Changes or modifications not expressly approved by the party responsible for
compliance could void the user's authority to operate the equipment.
§ 15.105 Information to the user.
Note: This equipment has been tested and found to comply with the limits for a Class
B digital device, pursuant to part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference in a residential installation.
This equipment generates uses and can radiate radio frequency energy and, if not
installed and used in accordance with the instructions, may cause harmful interference
to radio communications. However, there is no guarantee that interference will not
occur in a particular installation. If this equipment does cause harmful interference to
radio or television reception, which can be determined by turning the equipment off
and on, the user is encouraged to try to correct the interference by one or more of the
following measures:
-Reorient or relocate the receiving antenna.
-Increase the separation between the equipment and receiver.
-Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.
-Consult the dealer or an experienced radio/TV technician for help.
FCC Compliance:
This device complies with part 15 of the FCC Rules. Operation is subject to the
following two conditions:
(1) This device may not cause harmful interference, and
(2) this device must accept any interference received, including interference that may
cause undesired operation.
Caution: Changes or modifications not expressly approved by the manufacturer could
void the user's authority to
operate he equipment.
NOTE: This equipment has been tested and found to comply with the limits for a
digital device, pursuant to part 15 of the FCC Rules. These limits are designed to
provide reasonable protection against harmful interference in a residential installation.
This equipment generates, uses and can radiate radio frequency energy and, if not
installed and used in accordance with the instructions, may cause harmful interference
to radio communications. However, there is no guarantee that interference will not
occur in a particular installation. If this equipment does cause harmful interference to
radio or television reception, which can be determined by turning the equipment off
and on, the user is encouraged to try to correct the interference by one or more of the
following measures:
-Reorient or relocate the receiving antenna.
-Increase the separation between the equipment and receiver.
-Connect the equipment into an outlet on a circuit different from that to which the
receiver is connected.
-Consult the dealer or an experienced radio/ TV technician for help.

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Health and safety information Radio Frequency (RF) Energy
This model phone meets the government's requirements for exposure to radio waves.
This phone is designed and manufactured not to exceed the emission limits for
exposure to radio frequency (RF) energy set by the Federal Communications
Commission of the U.S. Government:
The exposure standard for UE employs a unit of measurement known as the Specific
Absorption Rate, or SAR. The SAR limit set by the FCC is 1.6W/Kg. *Tests for SAR
are conducted using standard operating positions accepted by the FCC with the UE
transmitting at its highest certified power level in all tested frequency bands. Although
the SAR is determined at the highest certified power level, the actual SAR level of the
phone while operating can be well below the maximum value. This is because the
phone is designed to operate at multiple power levels so as to use only the poser
required to reach the network. In general, the closer you are to a wireless base station
antenna, the lower the power output.
The highest SAR value for the model phone as reported to the FCC when tested for
use towards ground is 1.214 W/Kg(1g). While there may be differences between the
SAR levels of various phones and at various positions, they all meet the government
requirement.
The FCC has granted an Equipment Authorization for this model UE with all reported
SAR levels evaluated as in compliance with the FCC RF exposure guidelines. SAR
information on this model phone is on file with the FCC and can be found under the
Display Grant section of http://www.fcc.gov/oet/fccid after searching on
FCC ID: ZKQ-ATP4E