TAT100 Bluetooth settings

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Main Page > Asset Trackers > TAT100 > TAT100 Configuration > TAT100 Bluetooth settings


Configuring Blue Puck/Coin sensor

ELA sensor app.PNG

Bluetooth LE Blue Puck and Blue Coin sensors are disabled by default. Configurations to these sensors are written through NFC.
To do this download Device Manager Mobile by Ela from Google Play Store to your Android-powered device.
Note! Android-powered device that is used for configuring Blue Puck/Coin sensors must support NFC read/write functionality.

Follow these instructions to easily configure Blue Puck/Coin Bluetooth LE sensor:

  • Enable Bluetooth and NFC on your Android-powered device.
  • Launch Device Manager Mobile on your Android-powered device.
  • Select Configuration.
  • Place your Android-powered device on top of Blue Puck/Coin sensor to scan it.
  • Click Enable to allow Blue Puck/Coin sensor transmit advertising data. If it shows a tick, it is already connected to your phone.
  • We recommend to set Power to 4 to get the best possible distance.
  • Set BLE Emit Period to 1 seconds to get best possible sensor detection.
  • Click Write button.
  • Place your Android-powered device on top of Blue Puck/Coin sensor to write configuration to it.

Once the configuration is written successfully, the Blue Puck/Coin sensor will be enabled and use the settings configured in the APP.

NOTE! Make sure that Manufacturer data mode is Disabled, otherwise BLE sensor will not be detected without additional changes in the device configuration.

How to configure the device to read data is described here.

Update Periods


BLE Feature:
None – Bluetooth functionality will be disabled.
Sensors – Enables Bluetooth functionality for sensors.

Update frequency – how often BLE scanning will run.
Scan duration – how long scanning will be processed.

TAT100 BLE Sensor configuration.png

  • MAC nRF Connect.jpg
    Type your Blue Puck/Coin MAC address in MAC field. You can check what is your MAC address by using nRF connect for Mobile app from Google Play.
  • Configure the sensor fields according to the type of sensor used. More information about these settings can be found on Blue Puck/Coin presets section.
  • After all these steps press Save to device to save configuration.

To check if the device has already received data from Blue Puck/Coin Bluetooth LE sensor, follow these steps:
  • Navigate toStatus section.
  • Press I/O Info and look if BLE Temp has any values (depends on the type of sensor being used).

TAT100 BLE IO.png

To check if the device has already received data from Blue Puck/Coin Bluetooth LE sensor, follow these steps:

  • Navigate toI/O section.
  • configure BLE Temp section #1 if you only have one sensor configured.
  • Set sensor priority High to immediately send a record.
  • Select Temperature range (LowHigh)
  • Select Operand:
    • On Entrance – when temperature enters specified range, the device sends a record to the server.
    • On Exit – when temperature exits specified range, the device sends record to the server.
    • On Both – Sends a record when device enters or exits specified range.
    • Monitoring – Performs the BLE scan when the device wakes up for periodic tracking action and sends the data to the server with the periodic record.

Record received to the Server

  • Device sent a record when it entered the range between 24 – 24.5 C
TAT100 BLE TEMP Record.png

Backup Tracker

Introduction to Backup Tracker functionality

TAT100 supports a feature which allows to work as backup tracker.

1. Even if Backup tracker is in alarm mode, device will continue to track its position as configured.
2. If FMBXXX device (Compatibility table) is turned off, Alarm event from the TAT100 will be received and AVL 236 in the data packet will be sent.

Topology scheme


Backup feature logic

TAT100 Backup feature.png

NOTE: If TAT100 does not pick up advertised data packets from main tracker, TAT100 enters alarm state, generates and starts sending records with AVL ID 236 (Value 0).

Backup schema 2.png

Parameter Name Description ID Value
BLE Feature Select which BLE feature is enabled.
For Backup Tracker "Backup Tracker"
feature has to be selected
189 0 - None
1 - Backup Tracker
2 -Sensors
Central Device IMEI IMEI of central device that TAT100 is connected 190 Valid IMEI number
Update Frequency Time in seconds for scanning intervals 1100 Min 5 sec.
Max 66535 sec.
Default 120 sec.
Scan Duration Time in seconds for how long BLE scan will be running 1113 Up to 60 seconds (Not configurable)


Download Firmware and Configurator from STABLE FIRMWARE or SHORT-TERM FIRMWARE pages.

After device connection to Configurator:
1) Select Update firmware;
2) Select to flash Firmware(*.e.XIM) file;
3) Click on file;
4) And select Open.

Wait until the device will upload the firmware.


When parameters successfully loaded:
1) Select Update firmware;
2) Select to flash BlueNRG firmware(*.bin);
3) Click on file;
4) And select Open.



To ENABLE backup feature on TAT100 device:

  1. Bluetooth → select Backup Tracker
  2. Enter main device (FMBxxx/TFT100/TST100/GH5200/TMT250) IMEI
  3. Set Update frequency to 3600 (s) – We do not recommend to set values below 1800 sec. in this field, as it will shorten the battery life.
  4. Configure your APN and Server settings in GPRS section.

TAT100 Bluetooth Backup v2.png

To ENABLE backup feature on FMBXXX/TFT100/TST100/GH5200/TMT250 devices:

  1. BluetoothBT Radio set to Enable(visible)

    BT ONN.jpg

  2. ENABLE backup feature on:
    1. TFT100 | TST100 | GH5200 | TMT250 devices
      Bluetooth 4.0Backup Tracker set to Enabled

      TAT100 bluetooth backup enable.png

    2. FMBXXX devices
      Instructions on how to configure the FMBXXX device can be found here.


  • Debug mode:

Device is able to transmit its current state when connected to PC using USB cable. It is used to detect errors and provide information to possible solutions when operating as unexpected.

  1. After launching terminal choose baud rate 115200 and hardware control – none.
  2. Select COM port which is assigned to “Virtual COM Port”.
  3. Click on ‘Start Log’ button and save a new file.
  4. Then click ‘Connect’ to start receiving messages from device.
Terminal debug TAT100.png

Required Terminal application for log capturing can be downloaded here: Terminal

TAT100 terminal instructions:

1. Connect TAT100 to the computer and open it with Terminal as shown in example above.
2. When TAT100 recognizes the main tracker, a terminal will print a line as shown in example below:
[2021.10.26 06:28:40] – [ASSET.UART] << Device MAC: 785ae3d1f9de IMEI 141fa7497ac1 Command 0 Sequence 24 Packet Cnt 5
3. When TAT100 cannot see the main tracker Terminal will print a line as shown in example below:
[2021.10.26 10:50:03] – [ASSET.UART] << [2021.10.26 10:50:03] – [APP.TBT] ERROR! Amount of valid packets does not detect during this period! Triggering alarm