Micron AT Plus 4G2 LTE Tracker User Manual

October 30, 2023
Micron

Micron AT Plus 4G2 LTE Tracker

Revision: 1.00

Document Title AT Plus 4G2 User manual
Version 1.00
Finale Date 2023-06-08
Status Released
Document Control ID

Introduction

AT Plus 4G2 is a powerful GPS locator which is designed for vehicle and assets tracking. It works on LTE CATM1 B2/B4/B12 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 4G2 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.

Product Overview

AppearanceMicron-AT-Plus-4G2-LTE-Tracker-FIG-1
\(1\)

Buttons/USB Interface Description

Button /12PIN Interface Description

KEY/interface| Description
Power Key| Power on    AT Plus 4G2

Power off    AT Plus 4G2(If power key is enabled)

Function Key| SOS mode
USB interface| Connected to a charger can power on AT Plus 4G2

Backend server developer or administrator can use the debug cable to configure AT Plus 4G2 (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 4G2.

LED Description Figure 1-2

There are four LED lights in AT Plus 4G2 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

Getting Started

Parts ListMicron-AT-Plus-4G2-LTE-Tracker-FIG-1
\(3\)

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 4G2 device with the Adapter.
  • Charging will last about 5 hours.

Note: If the AT Plus 4G2 device is firstly used, please make sure the battery is fully charged, which will make the life of battery much longer.

AT Plus 4G2 Charger
AT Plus 4G2 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 )..Micron-AT-Plus-4G2-LTE-Tracker-FIG-1 \(4\)

Power on/Power off

Power on:

  • Press the Power key at least 3 seconds and release it to power on AT Plus 4G2 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 4G2 device has been powered off.

Note: the user can not power off AT Plus 4G2 if the power key is disabled by protocol.

Frequency

  • LTE CATM: Band2、Band4、Band12、Band13
  • GPS: 1575.42MHz
  • WIFI: 2.4GHz(only support receiver function)
  • BT: 2.4GHz(only support receiver function)

Troubleshooting and Safety info

Troubleshooting

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 4G2.| 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 4G2 can’t fix GPS successfully.| The GPS signal is weak.| Please move AT Plus 4G2 to a place

with open sky.

It is better to let the top surface face to the sky. (The same surface with

indication LED)

Safety info
The following items are suggestions for safety use, please pay more attention.

  • Please do not disassemble the device by yourself.
  • Please do not put the device on an overheating or too humid place, avoid exposure to direct sunlight. Too high a temperature will damage the device or even cause a battery explosion.
  • Please do not use AT Plus 4G2 on 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 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.§ 15.21 Information to the user.

Any Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment.

Information to the user.
Note: This equipment has been tested and found to comply with the limits for a ClassB 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 the receiver.
  • Connect the equipment to 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.

This equipment complies with FCC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated withmini mum distance 20cm between the radiator & your body
ISED RSS Warning:
This device complies with Innovation, Science and Economic Development Canada license-exempt RSS standard(s). Operation is subject to the following two conditions:

  1. this device may not cause interference, and
  2. this device must accept any interference, including interference that may cause undesired operation of the device.

WIFI Exposure Information:
WIFI of this equipment only has reception function. Informations sur l’exposition WIFI: WIFI de cet équipement a seulement la fonction de réception.
Radiation Exposure Statement (MPE):
This equipment complies with IC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated with minimum distance 20cm between the radiator & your body.

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