The 354-337-XXX from Broadwave Technologies is a Fixed Attenuator with Frequency DC to 2.5 GHz, Attenuation 3 to 40 dB, Power 30 W, Peak Power 1 kW, Attenuation Accuracy ±0.5 dB, ±1 dB. Tags: Module with Connectors. More details for 354-337-XXX can be seen below.