The PDVAN-100M20G-30-8B from Quantic PMI (Planar Monolithics) is a RF Variable Attenuator with Frequency 100 MHz to 20 GHz, Attenuation Range 30 dB, Attenuation Step 0.25 dB, Power 0.1 W, P1dB 20 dBm. Tags: Module with Connectors, Programmable, Digital, Computer Controlled. More details for PDVAN-100M20G-30-8B can be seen below.