LCD based emergency talk back system for EMUs, MEMUs AND KOLKATA METRO RAKES. It has two main units 1) ETB console 2) ETB Passenger Unit. In case of emergency in train Passenger can communicate with guard / driver by pressing emergency switch of ETB Passenger Unit. The product design and meets the specification no: RDSO/PE/SPEC/EMU/0191-2018(Rev 0).

ETB system has full duplex audio communication between passenger & guard/driver.

All the emergency communication recorded in ETB console & can be downloaded through USB for further analysis. Optionally, 4G module is provided for transferring the recordings to the central server.

The system is a rugged and Compact Unit that requires cable connections for power supply, data & audio signals.