Characteristics showed：

　　The fine insertion loss and the reflection loss cause the noise and distortion of the network being smallest.

　　The aluminum alloy compression casting outer covering has good waterproofing and guards against the electromagnetism leak.

　　The unique circuit design causes the product's performance to be stable.

　　The high electric current main stem of the loop :PASSIVE.
　
　　The passive component has high isolation and good shielding properties.