The PDVAN-0510-60-8 from Quantic PMI (Planar Monolithics) is a RF Variable Attenuator with Frequency 500 MHz to 1 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 PDVAN-0510-60-8 can be seen below.