표 3. | Table 3. 유사 연구들과의 비교 | Comparisons with similar works.

Ref. Size (diameter/height) Bandwidth (VSWR, 2.5.1) 3 dB gain bandwidth Peak gain
[10] 0.35λL/0.21λL 1.6~7 GHz 2.3~5.1 GHz 5 dBi
[20] 0.41λL/0.27λL 2~18 GHz 3~18 GHz 3 dBi
This work 0.4λL/0.08λL 0.4~6 GHz 1.5~6 GHz 5 dBi