The device integrates both radio communication (radio frequency CBTC) and non-wireless signalling information (automatic train control (ATC) and automatic train operation (ATO)) without installing a separate signalling device for each system in the vehicle.

Trials of the technology have been carried out on Seoul Metro’s Hanam Line, a 7.7km extension of Line 5, which is scheduled to open in the first half of 2020 and is fitted CBTC. Hyundai Rotem began developing the technology in 2016, completing the system in September. A demonstration of the system was held at Goeok Vehicle Base on November 19.

Hyundai Rotem company says the next step for the project is commercialisation. The company says installation on around 1300 Seoul Metro vehicles could offer the operator a saving of Won 20bn ($US 15m). The system can also increase vehicle interoperability, enabling vehicles operating on the Hanam Line to also operate on lines 6,7 and 8.

The new device eliminates the need for a separate device for different signalling systems, improving rolling stock interoperability.