In 1963, the two complementary companies were merged into SIAE MICROELETTRONICA S.p.A. and the headquarters was moved to the nearby town of Cologno Monzese, where a larger area was available to accommodate the new offices and manufacturing plant.
The new company counted less than 50 employees and focused its business on telecommunication systems, which were rising thanks to the capillary diffusion of telephone systems in Italy. Analog multiplexing systems for telephone providers constituted the company's principal product; nonetheless, in 1963, the company began an active collaboration with ENEL, italian provider of electric power, in order to create a supervision system for the national distribution network, whose successful outcome later fostered similar activities in northern Europe and specifically in Norway.
By the mid '60s, the company began actively promoting its products by advertising in technical journals as natural consequence of a growing business, thanks to its first large-scale commercialized radio transceiver: the 3-channel 3-B3 and later the RT450 (1966), capable of aggregating 48 channels into UHF band. The RT450 equipment was also certified by it:Telettra under the commercial name H450 as fallback link for its high-capacity solutions. Power-line communication systems were also manufactured by the company in those years along with the first fixed and mobile communication terminals in VHF band (1972) for vehicular communications (precurring modern mobile phones) and anti burglar alarm systems.