The RPCA50 from Res-Net Microwave is a Fixed Attenuator with Frequency DC to 4 GHz, Attenuation 1 to 30 dB, Power 50 W, Attenuation Accuracy ±0.5 dB@DC-1 GHz, ±0.5 dB, ±1.5 dB@0.5 - 1 GHz, Operating Temperature -65 to 150 Degree C. Tags: Chip. More details for RPCA50 can be seen below.