The KAT-30+ from Mini Circuits is a Fixed Attenuator with Frequency DC to 43.5 GHz, Attenuation 29.4 to 34.7 dB, Power 1 W, Operating Temperature -40 to 85 Degree C, Storage Temperature -65 to 150 Degree C. Tags: Surface Mount. More details for KAT-30+ can be seen below.