The 50PA-547 from JFW Industries is a RF Variable Attenuator with Frequency 700 MHz to 3 GHz, Attenuation Range 127 dB, Attenuation Accuracy 0.5 dB, Power 0.1 W, P1dB 24 dBm. Tags: Benchtop, Programmable, Multi-Channel, System, Digital, Computer Controlled. More details for 50PA-547 can be seen below.