The 75P-022+12 from JFW Industries is a RF Variable Attenuator with Frequency DC to 1 GHz, Attenuation Range 63 dB, Attenuation Step 1 dB, Power 1 W, Insertion Loss 2.2 dB. Tags: Module with Connectors, Programmable, Digital, Computer Controlled. More details for 75P-022+12 can be seen below.