The 75P-180 from JFW Industries is a RF Variable Attenuator with Frequency DC to 1 GHz, Attenuation Range 64.5 dB, Attenuation Step 0.1 dB, Power 0.5 W, Insertion Loss 3 dB. Tags: Module with Connectors, Programmable, Digital, Computer Controlled. More details for 75P-180 can be seen below.