It is not ET (Extra-Terrestrial) yet but this will help to study exoplanets more closely.
By monitoring the cosmos with a radio telescope array, an international team of scientists has detected radio bursts emanating from the constellation Boötes – that could be the first radio emission collected from a planet beyond our solar system.
www.sott.net/article/445957-Radio-emissions-may-have-been-detected-from-exoplanet