The AA40-xx from Atlantic Microwave is a Fixed Attenuator with Frequency DC to 40 GHz, Attenuation 0, 3, 6, 10, 20, 30 dB, Power 0.5 W, Attenuation Accuracy ±0.8-1.00 dB, Operating Temperature -55 to 125 Degrees. Tags: Module with Connectors. More details for AA40-xx can be seen below.