This project is part of a set of projects that aim to create a wireless hits detection system for the type of sword of the fencing to be functional, reliable, robust and portable, in order to allow its marketing in a market that cries out a technological revolution that will make it fully integrate into society. The resulting system, called Wireless Fencing, is composed of a central console for marking of hits, static device, and two dynamic modules, one for each oponent that detect the hits and indicate to the static, which signals. All these devices communicate with each other via radio frequency and, thus, the new system allows to practice of the fencing anywhere without existing current wired infrastructure. In particular, this project consists of full design of the dynamic devices, the mobile system, based on the outcome of the previous project. Full engineering of a wireless system to detect hits in fencing. The devices resulting from this project solve all the problems arising from the removal of all wires in the circuitry with which this sport is based today and they are Anglés: considered suitables for the market, being substantially smaller than its predecessors, with less power consumption, more robust and reliable and aesthetically modern and functional.