The 50P-1571 from JFW Industries is a RF Variable Attenuator with Frequency 20 MHz to 1 GHz, Attenuation Range 63.5 dB, Attenuation Step 0.5 dB, Power 0.01 W, P1dB 10 dBm. Tags: Module with Connectors, Programmable, Digital, Computer Controlled. More details for 50P-1571 can be seen below.