



Mass Transit
It acts as the nerve center for integrating critical subsystems onboard rolling stock, ensuring streamlined communication and coordination between operators, onboard systems, and control centers. Deployed in the front and rear cabins, it plays a vital role in maintaining reliable operations and uninterrupted connectivity across all rail segments.
With high-performance interface flexibility, rugged environmental tolerance, and compliance with global railway standards, the TRS 3900 is engineered to support a safe, efficient, and responsive rail ecosystem. From enabling safety-critical functions like emergency calls and public announcements to supporting signalling integration and real-time system alerts, TRS 3900 is an essential building block of modern transit infrastructure.

TRS 3900's advanced interfaces are tailored for railways, ensuring seamless communication and control. N [F] connector for RF, a TNC [F] connector for GPS, and 9 M12 industry-standard connectors featuring 3 DB9 connectors, ensure compatibility with rolling stock systems.

Elevate rail and metro communication with the power of TETRA/ LTE connectivity. Designed for mission-critical environments, TRS 3900 ensures secure and reliable communication across your network. From daily operations to emergency responses, TRS3900 ensures safe driver and passenger experience.

The TRS 3900 is fully compliant with mission-critical communication standards—ETSI EN 300-392 for TETRA and 3GPP Release 15+ for LTE. Designed for the rigorous demands of railways and metros, it ensures reliable, secure, and standards-based connectivity, enabling seamless operations and safety-critical communication across transit networks.

Streamline rail and metro operations with the TRS 3900’s seamless integration into rolling stock and signalling systems. From TCMS and PIS, it ensures real-time communication, control, and coordination. Enhance safety, efficiency, and operational visibility with a solution built for modern rail networks.