An electrically actuatable igniter comprises a pair of electrodes and. The method includes transmitting a link request signal from the first communication device to the second communication device via the beam antenna. Furthermore, the aforementioned drive wheel bearing assembly comprises a stub shaft connected to an inner joint ring by means of serrations formed on an outer diameter portion of the one end thereof and a clip and connected detachably to the intermediate shaft by means of serrations formed on an inner diameter portion of the one end thereof and a clip. A circuit board defines a number of through vias lined in metal and configured to receive the sensing pin of a corresponding probe.