The FAC4308 from Yantel Corporation is a Fixed Attenuator with Frequency DC to 43.5 GHz, Attenuation 8 dB, Power 1 to 1.2 W, Attenuation Accuracy ±0.1 to ±0.15 dB, Operating Temperature -45 to 85 Degree C. Tags: Die, Chip, Surface Mount. More details for FAC4308 can be seen below.