The 50P-1501 from JFW Industries is a RF Variable Attenuator with Frequency 200 to 3000 MHz, Attenuation Range 0 to 127 dB, Power 0.01 W, Insertion Loss 3.5 to 6 dB, Switching Time 2000 ns. Tags: Module with Connectors, Programmable, Digital, Computer Controlled. More details for 50P-1501 can be seen below.