The 75PA-125-XX from JFW Industries is a RF Variable Attenuator with Frequency DC to 2150 MHz, Attenuation Range 0 to 63.5 dB, Attenuation Step 0.5, 1, 2, 4, 8, 16 and 32 dB, Attenuation Accuracy ± 0.25 to ± 1.0 dB, Power 0.5 W. Tags: Rackmount, Programmable. More details for 75PA-125-XX can be seen below.