ProfileRoberto Marengon is the CEO of Radio Activity, a radio communications engineering firm. He started his career at Alcatel, developing the first Italian 900 MHz cordless telephone. He was the research and development manager of Prod el SpA (formerly Marconi Group and now Selex Communications) for more than 10 years, developing a new generation of simulcast networks. In 1998, he started engineering company SIEL TRE, focused on maritime radio applications, and launched Radio Activity in 2003. Radio Activity is a young and dynamic telecommunication engineering company based in Milan, Italy. It designs, manufactures and markets Professional Mobile Radio infrastructures and equipments in all LMR bands both analog and digital ones.