The KAT177237 from Konnect RF is a RF Variable Attenuator with Frequency DC to 500 MHz, Attenuation Range 0 to 109 dB, Attenuation Accuracy ±0.5 dB, Power 2 W, Insertion Loss 0.4 dB. Tags: Module with Connectors, Benchtop, Rotary. More details for KAT177237 can be seen below.