The KAT-20+ from Mini Circuits is a Fixed Attenuator with Frequency DC to 43.5 GHz, Attenuation 19.4 to 23.1dB, Power 0.8 W, Operating Temperature -40 to 85 Degree C, Storage Temperature -65 to 150 Degree C. Tags: Surface Mount. More details for KAT-20+ can be seen below.