A mounting system can be used in a storage device or other electrical device to mount a component, such as a drive, while also providing at least some shock absorption. The mobile switching center and mobile station subsystem each communicate signaling messages according to a mobile signaling protocol. The second emitter area is formed by ion implantation of a low impurity density impurity ion, and the first emitter area is formed by ion implantation of a high impurity density impurity ion.