The 50P-1941 from JFW Industries is a RF Variable Attenuator with Frequency DC to 3 GHz, Attenuation Range 15 dB, Attenuation Step 1 dB, Power 10 W, Insertion Loss 2.0 to 5.0 dB. Tags: Module with Connectors, Programmable, Digital, Computer Controlled. More details for 50P-1941 can be seen below.