The RPCA30 from Res-Net Microwave is a Fixed Attenuator with Frequency DC to 4 GHz, Attenuation 1 to 30 dB, Power 30 W, Attenuation Accuracy ±0.3 dB, ±0.75 dB@DC-1 GHz, ±0.5 dB, ±1.0 dB@1 - 2.5 GHz, ±0.5 dB, ±1.0 [email protected] - 4 GHz, Operating Temperature -65 to 150 Degree C. Tags: Chip. More details for RPCA30 can be seen below.