The RNCA W3 from Res-Net Microwave is a Fixed Attenuator with Frequency DC to 8 GHz, Attenuation 1 to 20 dB, Power 1 W, Attenuation Accuracy ±0.5 dB, ±1.0 dB@DC-4 GHz, ±0.5 dB, ±0.5-4 dB@DC - 8 GHz, Operating Temperature -55 to 150 Degree C. Tags: Chip. More details for RNCA W3 can be seen below.