10 dB : BC20180-10-SF

20 dB : BC20180-20-SF

30 dB : BC20180-30-SF

자세한 Spec. 사양은 하기 Datasheet를 참고 하세요.

10 dB : BC20180-10-SF

20 dB : BC20180-20-SF

30 dB : BC20180-30-SF