In scenarios such as civil aviation airfield surveillance, general aviation operations, airport ground control, and obstacle situational awareness, a large number of aircraft, airfield service vehicles, and ground obstacles lack native ADS-B capabilities. Persistent issues—including a lack of signal reporting, "invisibility" in the operational picture, and regulatory blind spots—pose significant risks to airspace safety management and the monitoring of airfield operations.
Most traditional retrofit solutions rely on modifying onboard equipment, entailing high costs, long timelines, and complex procedures; furthermore, they require specific airframe interface integration, resulting in extremely poor versatility.To address this industry pain point, the PT300A portable ADS-B transmitter (Version 1.7) has undergone a major upgrade. With a focus on optimizing GNSS receiver performance—featuring high-precision positioning, ultra-low power consumption, and a portable, standalone design—it provides a comprehensive solution for ADS-B signal transmission across diverse scenarios, effectively resolving the usability challenges associated with traditional equipment.
Portable ADS-B Transmitter
(PT300A)
The PT300A is a compact, high-efficiency portable device designed to transmit ADS-B signals; it primarily enables ADS-B signal transmission for aircraft lacking ADS-B capabilities, airport ground vehicles, and ground-based obstacles.
Core Upgrade: V1.7 GNSS Receiver Optimization – Breakthroughs in Both Accuracy and Stability
The core iteration of the V1.7 version focuses on the GNSS positioning module. Through three key upgrades—algorithm optimization, signal filtering, and enhanced interference resistance—the system significantly improves positioning reliability and precision in complex environments. With a positioning accuracy better than 5 meters, the device enables rapid, precise positioning and stable message output, effectively preventing issues such as monitoring misjudgments, signal drift, and data loss caused by imprecise positioning.
Compared to the previous version, the optimized GNSS receiver offers superior interference resistance, making it suitable for the complex electromagnetic environments of airports and extreme outdoor temperature conditions. It delivers more stable position updates, ensuring that every ADS-B position message is authentic, accurate, and valid, thereby providing reliable data support for air traffic surveillance and surface situational awareness.
PT300A Main Unit: Front and Rear Views
PT300A Battery Compartment Diagram
Core Product Advantages: Portable, No Modifications Required, Suitable for All Scenarios
✅ No onboard integration required; ready to use immediately
✅ Extended battery life + dual power supply; supports all-day operation
✅ Ultra-low power consumption + stable RF performance; maximized capabilities
✅ Minimalist operation; no professional training required
✅ Wide operating temperature range; highly adaptable to diverse working conditions
✅ Compact design; portable and easy to deploy
▪ Filling ADS-B signal coverage gaps for general aviation aircraft
▪ Reporting the status/position of airport ground vehicles and inspection vehicles
▪ Signal marking for airport ground obstacles and fixed locations
▪ Signal deployment for temporary operational airspace and exercise missions
▪ Filling surveillance gaps in aviation scenarios involving aircraft without onboard ADS-B equipment
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