The 50P-542 from JFW Industries is a RF Variable Attenuator with Frequency 0 to 2800 MHz, Attenuation Range 0 to 10 dB, Power 2 W, Insertion Loss 3 dB, Switching Time 6000 ns. Tags: Module with Connectors, Programmable, Digital, Computer Controlled. More details for 50P-542 can be seen below.