The HD33986 from HD Communications Corp is a RF Variable Attenuator with Frequency 500 MHz to 40 GHz, Attenuation Range 0 to 60 dB, Attenuation Step ±0.5 dB, ±1 dB, ±2 dB, ±4 dB, ±8 dB, ±16 dB, ±32 dB, Attenuation Accuracy ± 0.5 dB, Power 0.1 W. Tags: Module with Connectors, Digital. More details for HD33986 can be seen below.