The MA-520/XD7-6 from Microwave Devices Inc. is a Fixed Attenuator with Frequency DC to 6 GHz, Attenuation 3 to 40 dB, Power 20 W, Peak Power 500 W, Attenuation Accuracy ±0.3 to ±0.75 dB. Tags: Module with Connectors. More details for MA-520/XD7-6 can be seen below.