5G FR-II band; Antipodal antenna; Array; Directional antenna; Defective ground structure; Meander line antenna; Millimeter wave; Neutralization Lines; Quarter wave trans former feed (Topical Term)
Preferred form:
5G FR-II band; Antipodal antenna; Array; Directional antenna; Defective ground structure; Meander line antenna; Millimeter wave; Neutralization Lines; Quarter wave trans former feed