The QFA18K1 from Qualwave is a Fixed Attenuator with Frequency DC to 18 GHz, Attenuation 6 to 60 dB, Power 100 W, Attenuation Accuracy 0.7 to 1.5 dB, Operating Temperature -55 to 125 Degree C. Tags: Connectorized. More details for QFA18K1 can be seen below.