The 50BA-001-63 from JFW Industries is a RF Variable Attenuator with Frequency 200 MHz to 6 GHz, Attenuation Range 63 dB, Attenuation Accuracy 0.5 to 1.25 dB, Power 0.5 to 2 W, Insertion Loss 5 to 6 dB. Tags: Benchtop, Programmable, System, Digital, Computer Controlled. More details for 50BA-001-63 can be seen below.