The second embodiment is based on the configuration of the first embodiment, and furthermore, a plurality of recesses 36 are arranged, in addition to a recess 32, on {HEAD ~ a surface} of {TAIL ~ an antenna structure support} 27 which faces a wall 7 a of an attachment portion 7 as shown in FIG 9 
of
The second embodiment is based on the configuration of the first embodiment , and furthermore , a plurality of recesses 36 are arranged , in addition to a recess 32 , on { HEAD ~ a surface } of { TAIL ~ an antenna structure support } 27 which faces a wall 7 a of an attachment portion 7 as shown in FIG 9
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH