Patent ID: 11936123
Assignee: MURATA MANUFACTURING CO., LTD.
Field: Telecommunications (Electrical engineering)
Classification: CPC H | IPC H

Claim 7:
8. The sub-array antenna according to claim 1, wherein
each of the substrate and the plurality of antenna elements is formed in a substantially rectangular shape,
each of the plurality of antenna elements is configured to radiate a radio wave with a first direction as a polarization direction and a radio wave with a second direction different from the first direction as another polarization direction,
the end surface includes a first end surface perpendicular to the first direction and a second end surface perpendicular to the second direction, and
a distance between a center of an outer antenna element adjacent to the first end surface and the first end surface and a distance between a center of an outer antenna element adjacent to the second end surface and the second end surface are equal to or greater than λ/9 and equal to or less than half a distance between respective centers of two of the antenna elements adjacent to each other.