In a satellite broadcast reception converter, probes are equipped in a circular hole formed in a first circuit board, and plural fixing holes are formed around the circular hole. In embodiments, a determination is made that the device is connected to a power source for charging the battery. In another aspect, the system further includes an energy absorber mechanically coupling the net and the anchor. The nodes or joints may be provided to a system which may construct a model of the body from the various nodes or joints.