| 摘要 |
PROBLEM TO BE SOLVED: To reduce reflection on a surface of a module housing in a wireless communication module having a waveguide horn antenna.SOLUTION: A wireless communication module includes: a waveguide horn antenna having an opening part on a major surface of a metal housing; and a dielectric radome disposed on the major surface of the housing. The dielectric radome has a curved surface or an inclined surface in which a thickness reduces toward the opening part of the waveguide horn antenna. The curved surface or the inclined surface diffuses an incident electromagnetic wave in a direction away from the opening part.SELECTED DRAWING: Figure 2 |
