fr(MHz)

Zr(Ω)

Kr

HF-28/2MC

φ28×2

1.0

≤3

≥0.47

HF-25/1MC

φ25×2

1.0

≤4

≥0.47

HF-20/1MC

φ20×2

1.0

≤4

≥0.47