The AS113-50-1 from Narda-ATM is a RF Variable Attenuator with Frequency DC to 2.5 GHz, Attenuation Range 0 to 50 dB, Attenuation Accuracy +/-0.2 - 0.4 dB, Power 2 W, Peak Power 60 dBm. Tags: Module with Connectors, Continuously Variable, Rotary. More details for AS113-50-1 can be seen below.