Broadband Printed Cross-Dipole Element with Four Polarization Reconfigurations for Mobile Base Station Array Antenna Applications

Figure 3

Measured electrical performances of the printed cross-dipole element with or without the cavity ring.

(a) Port return loss and isolation

(b) Radiation pattern at 1.7 GHz

(c) Radiation pattern at 2.1 GHz

(d) Radiation pattern at 2.5 GHz