The MA-50/XSM from Microwave Devices Inc. is a Fixed Attenuator with Frequency DC to 3 GHz, Attenuation 1 to 40 dB, Power 2 W, Peak Power 1000 W, Attenuation Accuracy ±0.8 dB. Tags: Module with Connectors. More details for MA-50/XSM can be seen below.