The ADA-500-18000-30/1 from Atlantic Microwave is a Fixed Attenuator with Frequency 0.5 to 18 GHz, Attenuation 30 dB, Power 0.2 W, Attenuation Accuracy ±1.8 dB, Operating Temperature -40 to 70 Degrees. Tags: Module with Connectors. More details for ADA-500-18000-30/1 can be seen below.