The 50P-1226 from JFW Industries is a RF Variable Attenuator with Frequency 400 MHz to 2.2 GHz, Attenuation Range 127 dB, Attenuation Step 1 dB, Power 0.1 W, P1dB 20 dBm. Tags: Module with Connectors, Programmable, Digital, Computer Controlled. More details for 50P-1226 can be seen below.