A proven Indigenous train wide intercom system for enhanced safety of passengers and women in railway main line coaches and EMU/MEMU/DEMU. The ETB system has been operational in ICF Air Conditioned EMU rakes in operation in Mumbai. The system has received wide recognition for its ability to enhance the safety of women and is compliant to IEC61373, EN50155 Standards

Its unique architecture optimises on wiring requirements by adopting a multi-drop audio and data architecture.