The KAT177478 from Konnect RF is a RF Variable Attenuator with Frequency DC to 12.4 GHz, Attenuation Range 0 to 69 dB, Attenuation Accuracy ±0.8 to ±2 dB, Power 5 W, Insertion Loss 1.25 dB. Tags: Module with Connectors, Rotary. More details for KAT177478 can be seen below.