The 50P-1211 from JFW Industries is a RF Variable Attenuator with Frequency DC to 2.5 GHz, Attenuation Range 31.5 dB, Attenuation Step 0.5 dB, Power 0.5 W, Peak Power 50 dBm. Tags: Module with Connectors, Programmable, Digital, Computer Controlled. More details for 50P-1211 can be seen below.