The 75P-186 from JFW Industries is a RF Variable Attenuator with Frequency DC to 1 GHz, Attenuation Range 31 dB, Attenuation Step 1 dB, Power 0.5 W, Insertion Loss 0.75 to 2.0 dB. Tags: Module with Connectors, Programmable, Digital. More details for 75P-186 can be seen below.