The QFA1830 from Qualwave is a Fixed Attenuator with Frequency DC to 18 GHz, Attenuation 1 to 40 dB, Power 30 W, Attenuation Accuracy 0.4 to 1.5 dB, Operating Temperature -55 to 125 Degree C. Tags: Connectorized. More details for QFA1830 can be seen below.