The 352-355-XXX from Broadwave Technologies is a Fixed Attenuator with Frequency DC to 4 GHz, Attenuation 1 to 40 dB, Power 100 W, Attenuation Accuracy ±1 dB, ±1.5 dB, Operating Temperature -40 to 40 Degree C. Tags: Module with Connectors. More details for 352-355-XXX can be seen below.