The PDVAT-0518-60-8-96-OPT0108 from Quantic PMI (Planar Monolithics) is a RF Variable Attenuator with Frequency 1.0 to 8.0 GHz, Attenuation Range 60 dB, Attenuation Step 0.25 dB, Power 0.1 W, P1dB 20 dBm. Tags: Module with Connectors, Programmable, Digital, Computer Controlled. More details for PDVAT-0518-60-8-96-OPT0108 can be seen below.