The 03.02.748 from Hytem is a Fixed Attenuator with Frequency DC to 18 GHz, Attenuation 30 dB, Power 250 W (CW), Attenuation Accuracy +/-1.5 dB, Operating Temperature -55 to 125 Degree C. Tags: Module with Connectors. More details for 03.02.748 can be seen below.