| 摘要 |
PROBLEM TO BE SOLVED: To prevent an antenna installed in a movement destination from oscillating due to wind, or the like, in a wireless entrance system for achieving communication in a region where it is difficult to connect a line by using a wired public line network or a telephone network, by arranging a wireless entrance device and an antenna, and building a wireless line between the antenna and an antenna facing hat antenna.SOLUTION: An antenna support rod for supporting an antenna, a fixing plate bound to the lower end of the antenna support rod, and fixing the antenna support rod when it is trampled to an object, and a contact portion projecting from the antenna support rod in the direction of the object, and coming into contact therewith are provided.SELECTED DRAWING: Figure 1 |
