Table 2 Various switching modes of operation.
From: A hybrid mode semi circular shaped frequency reconfigurable antenna for multiband communication
Mode | D1 | D2 | D3 | D4 | Operation (GHz) | Impedance BW (GHz) | Axial Ratio BW (GHz) | Gain (dBi) | Applications |
|---|---|---|---|---|---|---|---|---|---|
Mode − 1 | OFF | OFF | OFF | OFF | (3.8–12.9) | 9.1 | (8.2 - 8.4), (10.2–10.9) | 6.82 | UWB |
Mode − 2 | ON | OFF | OFF | OFF | 3.8, 7.4, 10.6 | 0.8, 3.2, 2.4 | NA | 3.19, 4.1, 4.95 | Sub 6 GHz 5G, X-band |
Mode − 3 | ON | ON | OFF | OFF | 3.1, (6.2–12.5) | 0.8, 4.3 | NA | 2.2, 5.5 | WiMAX, X - band |
Mode − 4 | ON | ON | ON | OFF | 3.0, 6.4, 9.7 | 0.9, 2.1, 4 | NA | 3, 2.9, 4.2 | WiMAX, Radar |
Mode − 5 | ON | ON | ON | ON | 2.7, (9.12–11.7) | 0.8, 2.6 | NA | 3, 3.8 | Wifi, X - band |
