The RPA-50 from Res-Net Microwave is a Fixed Attenuator with Frequency DC to 2 GHz, Attenuation 1 to 20 dB, Power 50 W, Peak Power 500 W, Attenuation Accuracy ±0.3 dB@DC-1 GHz, ±0.5 dB@1-2 GHz. Tags: Flanged. More details for RPA-50 can be seen below.