Overview

Presence2 is a secure Galileo Public Regulated Service (PRS) receiver designed for precise position, velocity, and time distribution. It supports both hybrid and PRS-only modes with encrypted signal processing for high continuity, resistance to spoofing, and enhanced security. Its rugged design suits both stationary and mobile rackmount platforms, providing secure authentication and anti-tampering features for sensitive applications, such as the SENDA navigation system for F-110 frigates.

Features and Capabilities

• Multiconstellation support: GPS, Galileo OS, PRS
• Hybrid mode: GPS L1, Galileo E1 & PRS E1/E6
• PRS-only mode: E1/E6 frequency bands
• Integrated Security Module for encrypted signal processing
• User authentication and tamper-proof features
• Serial & Ethernet interfaces for standard & proprietary PNT formats
• 1PPS output for accuracy
• Removable crypto ignition key for authentication
• Internal battery for anti-tampering functions
• Security module audit connector
• Optional remote zeroize functionality