The ARC-3 from Crane Aerospace & Electronics is a Space Qualified Variable Attenuator with Frequency DC to 400 MHz, Attenuation Range 0 to 20 dB, Power 0.5 W, Insertion Loss 1 to 2.5 dB, Operating Temperature -55 to 85 Degree C. Tags: Module with Connectors. More details for ARC-3 can be seen below.