The AF119A-99-12 from Weinschel by Spectrum Control is a RF Variable Attenuator with Frequency DC to 18 GHz, Attenuation Range 0 to 99 dB, Attenuation Step 1 dB, Power 2 W, Peak Power 53.01 dBm. Tags: Module with Connectors, Rotary. More details for AF119A-99-12 can be seen below.