Inertia Technology is a high-tech SME in the field of wireless motion sensing. Inertia produces and commercializes miniaturized, scalable, ultra-synchronized wireless networked inertial and orientation sensors, as well as generic wireless data acquisition platforms. In SESTOSENSO, Inertia brings in its expertise in communication and wireless technologies, inertial sensing systems, hardware development and algorithms for sensor fusion. As leader of WP3, Inertia contributes to the development of hardware and software interfaces for ProxySKIN devices, including the wireless communication interface for transferring the sensed heterogeneous data to the receiving host.