The 351-052-XXX from Broadwave Technologies is a Fixed Attenuator with Frequency DC to 26.5 GHz, Attenuation 1 to 40 dB, Power 2 W, Peak Power 0.5 kW, Attenuation Accuracy ±0.3 dB, ±0.5 dB, ±0.6 dB, ±0.8 dB, ±1.5 dB. Tags: Module with Connectors. More details for 351-052-XXX can be seen below.