| Substrate | Relative permittivity (εr) | Fractional bandwidth at 3.8 GHz | Radiation Maximum Gain, [dB] |
| Rogers (RO3003) | 3 | 63.2% | 4.31 |
| Rogers (RO3003C) | 3.8 | 67% | 4.23 |
| FR4 (Epoxy) | 4.4 | 63.17% | 3.83 |