Kaelus | 3,288 followers on LinkedIn. On top of next-gen antenna solutions | Kaelus was formed in 2010 by the combination of four entities each with a legacy of excellence in filtering technology. In 2019 the company became part of Microdata Telecom, with a background from Allgon, LGP Telecom and Powerwave. In early 2020 Base Station Antennas was added to the portfolio through the acquisition of Filtronic’s telecom antenna operations.