**Contents**


Metasurfaces for Reconfiguration of Multi-Polarization Antennas and Van Atta Reflector Arrays Reprinted from: *Electronics* **2020**, *9*, 1262, doi:10.3390/electronics9081262 . . . . . . . . . . . . . . **117**

## **Umer Farooq, Adnan Iftikhar, Muhammad Farhan Shafique, Muhammad Saeed Khan, Adnan Fida and Muhammad Juanid Mughal et al.**

C-Band and X-Band Switchable Frequency-Selective Surface

Reprinted from: *Electronics* **2021**, *10*, 476, doi:10.3390/electronics10040476 . . . . . . . . . . . . . **139**
