Fig. 4
From: High isolation quad ports MIMO antenna loaded with FSS for 5G communication

The three configurations outcomes (a) S21 (c) S21 phase (b) S21 unwrapped phase (d) Group delay.
From: High isolation quad ports MIMO antenna loaded with FSS for 5G communication
The three configurations outcomes (a) S21 (c) S21 phase (b) S21 unwrapped phase (d) Group delay.