Abstract: An emergency warning system for warning vehicles and electronic devices is disclosed. The emergency warning system comprises a first system. The first system is provided in a building or highway or road construction zone or in a first vehicle indicative of an emergency vehicle. The first system comprises an actuator, a radio-frequency signal generator communicatively coupled to the actuator. The radio-frequency signal generator is used to generate radio frequency signals at a particular frequency. Further, the first system comprises a transmitter for broadcasting the signals generated by the radio-frequency signal generator. Further, the emergency warning system comprises a second system provided in a second vehicle and at least one electronic device, present within a predefined distance of the first system.