Since 2019, Ericsson Antenna System (former Kathrein Mobile Communication) is part of Ericsson, providing a full range of high quality products in the following areas: active-passive, antennas, passive, antennas, filters and combiners, tower mounted amplifiers, feeder, system, and accessories. 2800 professionals globally around from more than 25 countries, thereof more than 550 R&D experts, working in Ericsson antenna R&D centers in Rosenheim, Germany and Plano, United States.