Fig. 3
From: Dual and wideband mmWave 28/38 GHz quad port MIMO antenna for 5G and beyond applications

Proposed MIMO antenna a Antenna geometry b Front view photograph c Bottom view photograph.
From: Dual and wideband mmWave 28/38 GHz quad port MIMO antenna for 5G and beyond applications

Proposed MIMO antenna a Antenna geometry b Front view photograph c Bottom view photograph.