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Septentrio – Anta RX-SI3 Antenna

Ultra-rugged GNSS/INS smart antenna

This product is available from Milexia France, Milexia Iberica, Milexia Italia and Milexia Nordics

The AntaRx-Si3 GNSS/INS receiver provides centimeter-level positioning along with orientation (yaw, pitch, and roll angles) and inertial navigation functionality. This sensor combination delivers high performance and reliability in challenging environments.

The AntaRx-Si3 smart antenna is designed to be rugged both inside and out, with a high-strength polycarbonate housing and IP69K sealing that protect the receiver.

Inside, proprietary technology and advanced algorithms ensure robust tracking despite vibrations or heavy shocks. This antenna is also available in a GNSS-only variant.

By adding an auxiliary GNSS antenna, it is possible to obtain yaw and pitch or yaw and roll measurements without requiring movement.

Technology Overview:

GNSS+ Technologies: Deliver maximum performance in challenging environments. LOCK+ automatically adjusts parameters to maintain positioning. IONO+ protects against ionospheric disturbances, and APME+ enhances signal quality by eliminating reflections and multipath.

AIM+ System: Provides protection against intentional and unintentional interference through sophisticated sampling and mitigation mechanisms, suppressing a wide range of interferences.

Integration and Operation:

The AntaRx-Si3 receiver includes documented interfaces, commands, and data messages. RxTools software allows configuration, monitoring, logging, and data analysis.

It also features an intuitive web interface for easy operation and monitoring from any mobile device or computer, displaying easy-to-read quality indicators.

Key Features

  • All-in-one GNSS receiver, inertial sensor, and antenna combined in a single ultra-rugged IP69K-rated housing
  • Heading with one or two GNSS antennas
  • Pitch and roll
  • Centimeter-level (RTK) positioning enhanced by an IMU
  • Integrated cellular modem
  • Septentrio GNSS+ algorithms for reliable performance

Características Físicas y medioambientales

  • Size: 158 × 166 × 83 mm
  • Weight: 1.1 kg
  • Input voltage: 9–48 VDC
  • Power consumption: 8 W typical
  • Operating temperature: -30 °C to +70 °C
  • Solar radiation: Cycle A1 (MIL-STD-810H)
  • Storage temperature: -40 °C to +75 °C
  • Humidity: Up to 100% RH (IEC 60068-2-38)
  • Ingress protection: IP69K (ISO 20655)
  • Vibration: 6g RMS (ISO 16750-3)
  • Shock: 50g (ISO 16750-3)

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