The 75P-120 from JFW Industries is a RF Variable Attenuator with Frequency 50 MHz to 1 GHz, Attenuation Range 63 dB, Attenuation Step 1 dB, Power 0.01 W, P1dB 13 dBm. Tags: Module with Connectors, Programmable, Digital, Computer Controlled. More details for 75P-120 can be seen below.