BNC同轴衰减器型号INLO-ATB(3/5/6/10/15/20/30/40)-2阻抗50Ω频率范围DC-6.0GHz驻波比≤1.35功率2W温度特征-20℃至+125℃接头类型BNC衰减值3/5/6/10/15/20/30/40dB衰减精度&plu***n;0.4dB@3GHz&plu***n;0.7dB@6GHz)