fr(MHz)

K31

E T 3

r

HF-B3.5M

(80-130)×(13-16)×0.4

3.5

≥0.37

2200-3000

HF-B5.0M

(60-110)×(12-15)×0.3

5.0

≥0.36

HF-B7.5M

(50-100)×(10-14)×0.2

7.5

≥0.35