Automotive Electronics

Septentrio unveils AntaRx-Si3 smart antenna

Leuven, Belgium – February 5, 2024 – Septentrio, a company into GPS and GNSS receivers and positioning technology, announced AntaRx-Si3. This is the GNSS/INS (Inertial Navigation System) Smart Antenna, in an ultra-rugged enclosure. It is designed for easy installation on machines such as agriculture robots. AntaRx-Si3 is the new member of the family of receivers leveraging GNSS/INS FUSE+ technology, which is designed to answer the need for position availability in tough industrial environments where GNSS signal reception may be temporarily compromised, such as under foliage. The antenna design withstands harsh environments and operates in extreme temperatures, high radiation levels, and heavy vibration. It also features advanced performance characteristics, such as high sensitivity, low noise, and wide beamwidth. The IMU sensor in FUSE+ also improves positioning integrity** and reliability, which is critical for autonomous systems. 

“With AntaRx-Si3 you get a receiver delivering positioning information with a high level of availability and integrity, that you can install with minimal effort. This is especially beneficial for after-market upgrades. It also allows removal of this valuable component at the end of the day to protect against theft or vandalism,” commented Danilo Sabbatini, Product Manager of GNSS/INS at Septentrio. 

The AntaRx-Si3 smart antenna is robust inside and out. Design it to mount outside on a machine for operation in harsh field environments. Enclosed in an impact resistant polycarbonate IP69K housing it can handle high levels of shocks and vibrations. This multi-frequency receiver delivers Septentrio’s field proven high-accuracy RTK positioning down to the centimeter level. AntaRx-Si3 has a built-in 4G cell modem, so there is no need for additional modem integration to acquire high-accuracy corrections. 

AntaRx-Si3 leverages Septentrio’s GNSS+ algorithms with advanced multipath mitigation. This allows uninterrupted operation in environments where satellite signals could be reflected off nearby machinery or high structures such as silos. It delivers positioning at a high update rate and low latency. These qualities are critical for control loops in autonomous movement or rotation. For more information about AntaRx-Si3 or other GNSS/INS solutions please contact the Septentrio team. Meet Septentrio GNSS experts at World FIRA 2024 in Toulouse, France from February 6-8.    

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