ARELIS will participate in the 21st edition of the National Microwave Days (JNM) which takes place every two years, will take place from 15 to 17 May 2019 at the Caen Congress Centre located near the city center. This congress brings together nearly 600 university and industrial researchers recognized for their scientific qualities, working in very broad fields, ranging from radiofrequency and microwave materials, antennas, components and circuits, to communication systems and radars.