The BM10055.20 from Bracke Manufacturing is a Fixed Attenuator with Frequency 500 MHz to 2 GHz, Attenuation 20 dB, Power 2 W, Attenuation Accuracy ±2 dB, Operating Temperature -55 to 125 Degree C. Tags: Module with Connectors. More details for BM10055.20 can be seen below.