The FAC1801P from Yantel Corporation is a Fixed Attenuator with Frequency DC to 18 GHz, Attenuation 1 dB, Power 2 W, Attenuation Accuracy ±0.5 to ±0.8 dB, Operating Temperature -55 to 150 Degree C. Tags: Chip, Ceramic, Surface Mount. More details for FAC1801P can be seen below.