The 75PA-090 from JFW Industries is a RF Variable Attenuator with Frequency 5 MHz to 1 GHz, Attenuation Range 63 dB, Attenuation Accuracy 0.5 dB, Power 0.01 W, Insertion Loss 4.5 dB. Tags: Benchtop, Programmable, Multi-Channel, System, Digital, Computer Controlled. More details for 75PA-090 can be seen below.