Melbourne- International wireless solutions group, Radio Frequency Systems has hired Marc Käumle as Global Product Manager (GPM) for its Wireless INdoor Solutions (WINS) sector. Käumle joins the company’s offices in Hanover, Germany, after almost a decade with communications solutions provider, Alcatel, including four years in Kuala Lumpur as head of the pre-sales and offer management department for Asia Pacific. His new GPM role embraces product strategy and business development for RFS’ end-to-end portfolio of passive and active indoor wireless systems for buildings and tunnels–the RFS ClearFill solution set.