Autometers Alliance Ltd offers an indigenously developed standalone Global Positioning System (GPS) Based Passenger Information System for use in modern railroad transportation systems.Compact & Lightweight.Designed to Display Various types of messages to passengers inside the train coach.Stand Alone Unit does not require inter-coach wiring on the train.Microprocessor-based control.GPS connectivity for receiving of location coordinates of current station from satellites.Software controlled Multiplexed Non-Multiplexed data for LED driving.Individual LED accessibility.