The 50PA-777 from JFW Industries is a RF Variable Attenuator with Frequency 15 MHz to 3 GHz, Attenuation Range 127 dB, Attenuation Accuracy 0.4 to 0.5 dB, Power 0.03 to 1 W, Insertion Loss 5.5 to 8.5 dB. Tags: Benchtop, Programmable, Multi-Channel, System, Digital, Computer Controlled. More details for 50PA-777 can be seen below.