Performance Parameter | Without Balun | With Rectangular Balun | With Circular Balun |
Return Loss (dB) | −26.64 | −24.19 | −46.22 |
VSWR | 1.09 | 1.13 | 1.00 |
Directivity (dBi) | 9.58 | 10.3 | 10.52 |
Gain (dB) | 8.51 | 10.1 | 10.21 |