The AF118A-90-11 from Weinschel by Spectrum Control is a RF Variable Attenuator with Frequency DC to 18 GHz, Attenuation Range 0 to 90 dB, Attenuation Step 10 dB, Power 2 W, Peak Power 53.01 dBm. Tags: Module with Connectors, Rotary. More details for AF118A-90-11 can be seen below.