The FAC1203 from Yantel Corporation is a Fixed Attenuator with Frequency DC to 12.4 GHz, Attenuation 3 dB, Power 0.3 W, Attenuation Accuracy ±0.3 to ±1 dB, Operating Temperature -55 to 150 Degree C. Tags: Chip, Ceramic, Surface Mount. More details for FAC1203 can be seen below.