The KAT-12-D+ from Mini Circuits is a Fixed Attenuator with Frequency DC to 50 GHz, Attenuation 11.8 to 12 dB, Power 0.8 to 1.1 W, Attenuation Accuracy ±0.1 to 0.6 dB, Operating Temperature -40 to 85 Degree C. Tags: Die. More details for KAT-12-D+ can be seen below.