The QFA4005 from Qualwave is a Fixed Attenuator with Frequency DC to 40 GHz, Attenuation 1 to 10 dB, 20 dB, 30 dB, 40 dB, Power 5 W, Peak Power 0.05 to 0.2 kW, Attenuation Accuracy -0.7 to 2 dB. Tags: Connectorized. More details for QFA4005 can be seen below.