The 50PA-929 from JFW Industries is a RF Variable Attenuator with Frequency 30 MHz to 3 GHz, Attenuation Range 63.5 dB, Attenuation Accuracy 0.2 to 0.5 dB, Power 0.5 to 2 W, Insertion Loss 4.5 dB. Tags: Rackmount, Programmable, System, Digital, Computer Controlled. More details for 50PA-929 can be seen below.