The KAT-1+ from Mini Circuits is a Fixed Attenuator with Frequency DC to 43.5 GHz, Attenuation 0.5 to 1.8 dB, Power 2 W, Operating Temperature -40 to 85 Degree C, Storage Temperature -65 to 150 Degree C. Tags: Surface Mount. More details for KAT-1+ can be seen below.