Since 2000 60 firms and research institutes work in close co-operation on the development of mobile applications in Bremen. Work is coordinated and managed by mobile solution group GmbH. Activities encompass setup of technical infrastructure as a pre-requisite for the development and deployment of mobile applications, as well as RTD in the area of new transmission standards and client devices, definition of application scenarios and business models, software development and content integration for delivery into different feeds (GSM, GPRS, Bluetooth, UMTS, Wireless LAN, DVB-T / DVB-H).