Design and Development of a New Electrically Small 3D UHF Spherical Antenna with 360° of Opening Angle in the Whole Space for RFID, WSN, and RSN Applications

<div>Structure of the 3D spherical antenna (Figure <a href="../fig2/">2</a>) with T-match.</div>

International Journal of Antennas and Propagation

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Figure 4

Figure 4: Design and Development of a New Electrically Small 3D UHF Spherical Antenna with 360° of Opening Angle in the Whole Space for RFID, WSN, and RSN Applications 

Figure 4 | Design and Development of a New Electrically Small 3D UHF Spherical Antenna with 360° of Opening Angle in the Whole Space for RFID, WSN, and RSN Applications 