Shanghai Terjin Information Technology Co.,Ltd.

Company overview

Shanghai Terjin Information Technology Co.,Ltd. is a Shanghai company founded in 2003, focused on radio sensing and spectrum big data analysis for low-altitude airspace security. Its range includes drone detection and countermeasure equipment, alongside an AI platform for low-altitude security management. The company's work addresses urban airspace monitoring and integrated ground-and-air security, with hardware for both receiving cooperative drone broadcasts and detecting drones through radio sensing. Its miniature detectors support deployment on existing city infrastructure.

The RD3, presented in English as the FR3 Drone RID Reader, monitors cooperative drones that actively broadcast Remote Identification signals. It decodes the identity and flight-status information carried in those signals, including a unique serial number, location coordinates, flight speed and course angle, and displays the information on an electronic map. Measuring 217 × 217 × 68 mm, the device supports real-time awareness of participating aircraft within the monitored airspace. Its monitoring function depends on drones broadcasting the relevant Remote ID signals.

The TDOA X1B-mini, presented in English as the FTD1-mini, addresses monitoring blind spots and the difficulty of detecting drones flying near the ground. Measuring 185 × 185 × 350 mm, a single unit can detect and identify multiple targets, including FPV drones. Multiple units use time difference of arrival, or TDOA, to locate drones and track their trajectories, with detection information and flight paths shown in the operating interface. Units can be mounted on traffic signal poles, cellular communication masts and street lamp poles, and networked with FTD1 and FTA1 detectors to form a city-wide drone monitoring network.

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