Cavity size: length: 4.3cm, width: 3.9cm, height: 2cm. The cavity is filled with air. HFSS 8.5 uses 8910 tetrahedrons for the simulation.
| Mode | Resonant Frequency (GHz) | Electric Field | |
| theoretical value | HFSS result | ||
| TE110 | 5.192459847477636 | 5.18882 |
|
| TE210 | 7.966671754617347 | 7.96086 |
|
| TM101 | 8.271562117241424 | 8.26531 |
|
| TM011 | 8.428695000311972 | 8.42227 |
|
| TE120 | 8.446320944205208 | 8.44001 |
|
| TM111 | 9.122041398046134 | 9.11460 |
|
| TE111 | 9.122041398046134 | 9.11477 |
|
| TM201 | 10.243288506994901 | 10.2347 |
|
| TE220 | 10.384919694955272 | 10.3761 |
|
| TM021 | 10.74344440266417 | 10.7338 |
|
by Yaxun Liu, 2003