The KDAT001180M31A from KeyLink Microwave is a RF Variable Attenuator with Frequency 100 MHz to 18 GHz, Attenuation Range 31.5 dB, Insertion Loss 4 dB, Supply Voltage -5 V, Current 20 mA. Tags: Module With Connectors, Digital. More details for KDAT001180M31A can be seen below.