NovAtel Receiver Dual GNSS Antenna. Firmware.

Firmware update of the Septentrio receiver

Purpose: Learn how to update the firmware of the Septentrio receiver
Last Updated: January 2024

The article describes how to update the firmware of the Septentrio receiver onboard the INS. We recommend updating the firmware of the Inertial Labs device before updating the firmware of the Septentrio receiver. Please contact the Inertial Labs support team at for firmware update assistance.

The article information below is related to the Inertial Labs devices with the Septentrio receiver. The generalized name “INS” is used hereinafter for convenience and clarity.

To update the firmware of the Septentrio receiver, please do the following:

1. Download and install the RxTools. RxTools is the Septentrio software that provides the possibility to update the FW of the Septentrio products. Please use the following link to download the RxTools from the Septentrio website:

2. Download the Septentrio  firmware update pack. Select your Septentrio reciever model and download firmware update pack  on the official Septentrio website here:

3. Connect the COM2 serial port of the INS to the PC and run  RxUpgrade (RxUpgrade is a part of RxTools utility downloaded in step 1).

4.  In  RxUpgrade software set checkbox “Select Serial Port”. Choose the COMX port number (where X is the serial port number assigned by your OS) to which COM2 of the INS is connected from the drop down list and press “Next” button.

Firmware update of the Septentrio receiver
Fig.1 Connection to the receiver

6. Set the path to the firmware updating file downloaded in step 2. Press “Browse” button, the standard Windows window “Open file” will appear, in which point it is necessary to choose the firmware updating *.suf file.  Figure 3 shows the necessary settings before updating start.

Firmware update of the Septentrio receiver
Fig.2 Updating menu
Firmware update of the Septentrio receiver
Fig.3 Settings for updating

7. Start the updating procedure by clicking the “Upgrade” button. The firmware updating procedure will start. 

Firmware update of the Septentrio receiver
Fig.5 Firmware updating procedure

8.  To complete the updating, close the RxTools and power-cycle the INS. After the power-cycle, check the INS FW version in the “IMU” tab of the “Device options” menu of GUI and the receiver FW in the “GNSS receiver” tab of the “Device options” menu.

Firmware update of the Septentrio receiver
Fig.6 Updated receiver firmware version in the GUI

If you have any questions or inquiries or require further information about Inertial Labs’ cutting-edge technologies, navigation solutions, or our extensive range of products and services, please don’t hesitate to reach out. Our dedicated team of experts is here to assist you. We value your curiosity and are committed to providing comprehensive answers and guidance to address your needs. Contact us today, and let’s embark on a journey of innovation and precision together. Your success is our priority, and we look forward to hearing from you.

For any additional questions, please email support@inertiallabs.com

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