The DA9-902-0-6000-1823 from COM-MW is a RF Variable Attenuator with Frequency DC to 6 GHz, Attenuation Range 1 to 90 dB, Attenuation Accuracy ±0.6 to 2.5 dB, Power 2 W, Operating Temperature -20 to 85 Degree C. Tags: Module with Connectors, Rotary. More details for DA9-902-0-6000-1823 can be seen below.