Methods, systems and devices for receiving in a television set wireless OFDM modulated, infrared and wire connected cable provided signals from a mobile devices and from a cellular phone. Reinforcing core portions are formed by filling the epoxy resin adhesive into a central hole of each of the tracking coils, and a reinforcing connecting portion is formed by filling the epoxy resin adhesive into a gap defined by the lens holder, each of the tracking coils, and a focusing coil. The digital-to-analog converter converts a digital signal to a discrete-time analog signal.