The KAT177957 from Konnect RF is a RF Variable Attenuator with Frequency 0.5 to 18 GHz, Attenuation Range 31 dB, Attenuation Accuracy ±1.5 to ±1.8 dB, Power 1 W (30 dBm), Insertion Loss 5 to 7.5 dB. Tags: Module with Connectors, Digital. More details for KAT177957 can be seen below.