The 50P-847 from JFW Industries is a RF Variable Attenuator with Frequency 0 to 5000 MHz, Attenuation Range 0 to 15 dB, Power 0.5 W, Insertion Loss 2.5 to 4 dB, Switching Time 10000 ns. Tags: Module with Connectors, Programmable, Digital, Computer Controlled. More details for 50P-847 can be seen below.