Fig. 9
From: Broadband compact rectenna system using a Wilkinson power divider to harvest microwave energy

The radiation pattern of a two-blade horn antenna with horizontal polarization at (a) 2 GHz frequency and (b) 18 GHz frequency.
From: Broadband compact rectenna system using a Wilkinson power divider to harvest microwave energy

The radiation pattern of a two-blade horn antenna with horizontal polarization at (a) 2 GHz frequency and (b) 18 GHz frequency.