The DL-0018-XX11 from Spectrum Elektrotechnik GmbH is a Fixed Attenuator with Frequency DC to 18 GHz, Attenuation 30 dB, Power 2 W, Attenuation Accuracy 1 dB, Operating Temperature -55 to 125 Degree C. Tags: Module with Connectors. More details for DL-0018-XX11 can be seen below.