Spirent Positioning & Timing Simulators

Leading global provider of automated testing and assurance solutions for positioning.

Pioneers of PNT Testing

Spirent delivers unmatched flexibility and realism in PNT testing—cutting field-testing costs and accelerating your path from prototype to market. By replicating real-world GNSS conditions in the lab, it enables faster, more reliable validation of navigation systems before deployment.

PRODUCTS

GNSS Simulators & Playback Systems

PNT-X Simulation System

Built for the toughest RF environments, PNT-X delivers high-fidelity testing with unmatched flexibility. 

GSS7000 GNSS Simulator

Versatile, high-performance multi-frequency, constellation GNSS simulator designed for precise & repeatable testing.

GSS6450 Record & Playback System

Cut field-trial costs by recording real-world GNSS & RF signals. & replay the data for efficient, repeatable testing.

Simulation & Playback Software - SimGEN

Leading GNSS simulation software designed for accurate and flexible testing of positioning, navigation, and timing (PNT) systems. It supports all major satellite constellations and enables real-time simulation of complex scenarios, including spoofing, jamming, and multipath. With features like 3D modeling and hardware-in-the-loop integration, SimGEN is ideal for developing and validating GNSS receivers, autonomous systems, and resilient PNT solutions across aerospace, defense, and automotive industries.

PNT-X Simulation System

PNT X is Spirent’s 6th-gen GNSS and PNT simulator, built for the toughest RF environments. It delivers high-fidelity testing with unmatched flexibility, combining more signals in one powerful platform. Reduce lab footprint while ensuring mission-critical accuracy.

Advanced NAVWAR

Designed to help protect your systems in the harshest environments, PNT X is the most powerful, capable and realistic NAVWAR test platform available today.

CRPA testing

PNT X offers an intuitive and configurable approach to defining CRPA scenarios, delivering flexible and powerful jamming and advanced spoofing capabilities.

Enhanced SimGEN Software

PNT X runs on SimGEN, the industry’s most advanced GNSS & PNT simulation software. Now with cutting-edge 3D scenario support, it delivers unmatched precision & control.

GSS7000 GNSS Simulator

The Spirent GSS7000 is a versatile, high-performance GNSS simulator designed for precise, repeatable testing. It supports multi-frequency, multi-constellation signals and is ideal for R&D, integration, and validation—offering scalable, future-ready solutions for reliable PNT testing.

Future-proof your testing

The GSS7000 packs powerful, flexible GNSS simulation into a compact, upgradeable design—ready for evolving threats and precision demands.

Record & Playback

The GSS7000 runs on powerful, flexible software with three tiered options—giving full control over signals, power, and scenarios while fitting any budget. 

Accelerate & Secure PNT testing

Spirent’s expert engineers and global support network ensure your PNT testing success, on time and within budget.

GSS6450 Record & Playback System

The GSS6450 Record & Playback System cuts field-trial costs by recording real-world GNSS, Wi-Fi, and cellular signals, including fades and interference. Replay the data in your lab for efficient, repeatable testing—saving both time and money.

Record

Records real-world GNSS, Wi-Fi, & cellular signals—including fades and interference—onto its internal SSD, enabling lab-based testing without the need for field trials.

Playback

Replay real-world GNSS, Wi-Fi, and cellular signals in the lab, eliminating the need for field trials.

About

Spirent Communications is a global leader in PNT testing and network performance solutions. Their innovative products help industries like telecom, defense, and automotive accelerate development, ensure reliability, and optimize performance through advanced simulation and testing.