The 5405-XX from ARRA Inc. is a Fixed Attenuator with Frequency DC to 6 GHz, Attenuation 1 to 60 dB, Power 5 W, Peak Power 0.25 kW, Attenuation Accuracy ±0.3 dB ( 1 to 6 dB ), ±0.5 dB ( 7 to 20 dB ), ±0.75 dB ( 21 to 30 dB ), ±1.5 dB ( 31 to 60 ). Tags: Module with Connectors. More details for 5405-XX can be seen below.