Firmware & Changelog (LoRaWAN GPS)

Firmware Downloads

Make sure you install the correct firmware for your hardware revision

The device will not work if an incompatible firmware is installed. If you are unsure, which hardware revision your device is, check with the description of hardware revisions.

Current Hardware Revision 3

app-lorawan-gps-8.0.7.hex (hardware v3.x) [current release]

Legacy Hardware Revision 2

This hardware revision is no longer available for sale! Consider using the improved HW Rev 3.


app-lorawan-gps-button-6.1.0.hex (hardware v2.x) [current release]

Legacy Hardware Revision 1

This hardware revision is no longer available for sale! Consider using the improved HW Rev 3.


The LoRaWAN GPS data uplink data encoding has been changed between firmware 4.x ("legacy format") and 5.x. See the manual for details.


8.0.7 - 2021-02-19


  • Avoid GPS Reset to keep state during sleep mode. Speed up time to fix after sleep.

8.0.6 - 2021-02-11


  • Temperature sensor caused an reset on latest hardware batch

8.0.5 - 2020-08-10


  • LoRaWAN: NewChannelReq can remove channels by setting the Frequency to 0 instead of just disable them
  • LoRaWAN: Fix bug where NBTrans > 1 leads to multiple responses from LoRaWAN stack

8.0.4 - 2020-08-06


  • Fix internal Selftesting result format.

8.0.3 - 2020-08-06


  • Remove random payload in reboot request ACK upload

8.0.1 - 2020-08-05


  • Fix config problem with low SF.

8.0.0 - 2020-08-05


  • Change official product name to LOB-S-GPS-LW-3.
  • Verify LoRaWAN Stack using official testing tool by LoRaWAN-Alliance.
  • Remove OpMode (class C), ADR, and time sync over LoRaWAN
  • Change internal logic of LostReboot-feature to use ACKs for checking for Network.


  • Low Voltage Protection


  • Fix Voltage StepUp logic for GPS and LoRa
  • Send uplink before reboot when ACK required.

7.1.0 - 2020-06-17


  • Add timestamp for last movement event to Port 2 payload
  • Add config parameter movementDistance that configures how GPS-position changes are calculated as movement events.


  • LoRaWAN 1.1 issue that sometimes led to invalid DevNonces used for OTAA Join.
  • Make sure, mode changes from active to passive are reported in final uplink before change
  • Fix an issue that could lead to all zero position data sent as valid position

7.0.1 - 2020-06-04


  • Upgrade to Lobaro LoRaWAN Stack 1.2.1 (RX Window adjustment).

7.0.0 - 2020-04-28


  • Completely rewrite firmware for new dedicated board with new LoRaWAN features and concepts.
  • Completely change Payload format.
  • Listen to MEMS events while not asleep.
  • Check for movement by GPS to update activity mode.
  • New LED blinking patterns.


  • Start this changelog.
  • Regular status messages independent of data messages.
  • New Lobaro LoRaWAN Stack (v1.1, remote Configuration via Downlink, Class C, etc.).
  • Time sync from GPS.
  • Change naming from "Alive Mode" to "Passive Mode" for easier distinguishing from "Active Mode".
  • Reduce power consumption during deep sleep by ~20%.
  • Removed Cayenne Payload Format

v6.1.0 - 09.12.2019

  • added new parameters to increase accuracy: maxHDOP & maxDataAfterFix

v6.0.3 - 02.08.2019

  • fixed temperature sensor readout

v6.0.2 - 22.07.2019

  • inverted powerpin for telit module (hardware v2.1)
  • added nmea prefix GN ( Glonass+GPS ) to the parser

v5.0.5 - 09.01.2019

  • Update LoRaWAN Stack
  • Enable stepUp if needed by battery condition

v5.0.4 - 15.11.2018

  • update board driver

v5.0.3 - 15.11.2018

  • fix signed issue with longitude

v5.0.0 - 26.10.2018

  • Add option for Cayenne LLP Payload format
  • Adjust payload format to support neagtive values
  • Add Altitude
  • Send GPS coordinates in Lat/Lon Format

  • Update LoRaWAN Stack

v4.0.9 - 05.10.2018

  • Update LoRaWAN Stack

v4.0.7 - 15.08.2018

  • Fixed bugs with some LoRaWAN Network providers

v4.0.6 - 28.05.2018

  • Clear pending mems IRQ before sleep
  • Updated internal state handling

v4.0.4 - 20.03.2018

  • Disable mems in active mode

v4.0.3 - 20.03.2018

  • compile against new board revision (lower power in sleep)
  • disable external rtc
  • default tx power to 14dBm

v4.0.2 - 23.02.2018

  • Fix lost GPS messages due to broken CRC checks

v4.0.1 - 29.01.2018

  • Port to LoRa v3.2 Board


  • Measure vBat when 3.3V Step Up is off
  • Add config parameter gps timeout
  • Add config parameter LoRaWAN ADR


  • Enable buttons for sending (Reed contact connectors)