SWITCHING DEVICE FOR APPARATUS FOR TRANSMITTING/ RECEIVING ELECTROMAGNETIC WAVE

摘要

PROBLEM TO BE SOLVED: To provide an apparatus for transmitting and receiving a signal comprising (n) pieces (one ore more) of means of print slot antenna for transmitting/ receiving a wave by radiation in longitudinal direction, and an exciting means of a microstrip line type connected to at least one slot line. SOLUTION: The apparatus comprises a switching device for controlling coupling between the microstrip line and at least one slot line.