The IMA2381 from International Manufacturing Services is a Fixed Attenuator with Frequency DC to 12.4 GHz, Attenuation 1 to 40 dB, Power 2 W, Attenuation Accuracy ±0.2 to 1 dB, Operating Temperature -55 to 150 Degree C. Tags: Surface Mount. More details for IMA2381 can be seen below.