An electronic device support member is fitted into and pressingly attached to
a cover so that a face on which an electronic device and an antenna are disposed
is opposed to the rear face of the cover. A base has a fitting receive portion
into which a fitting portion of the cover is to be fitted, on the peripheral edge
of the surface opposed to the cover. Two elastic claws are disposed on the peripheral
edge of the rear face. A second housing has a recess portion into which a memory
chip is to be fitted and secured, in the surface. The recess portion is formed
into a circular concave shape, and has two engagement portions for respectively
receiving the elastic claws of the memory chip.
