STEERABLE ARRAY ANTENNA USING A 2 × 2 BUTLER MATRIX FOR 5G APPLICATIONS. Jurnal Teknologi, [S. l.], v. 77, n. 10, 2015. DOI: 10.11113/jt.v77.6295. Disponível em: https://journals.utm.my/jurnalteknologi/article/view/6295.. Acesso em: 7 jul. 2024.