The 50P-1126 from JFW Industries is a RF Variable Attenuator with Frequency DC to 1 GHz, Attenuation Range 31.5 dB, Attenuation Step 0.5 dB, Power 1 W, Insertion Loss 0.8 to 1.5 dB. Tags: Module with Connectors, Programmable, Digital, Computer Controlled. More details for 50P-1126 can be seen below.