The QMC-CRYOATTF-06BLK from Quantum Microwave is a Fixed Attenuator with Frequency DC to 18 GHz, Attenuation 6 dB, Power 100 mW, Cryogenic Temperature 10 mK. Tags: Module with Connectors, Cryogenic Attenuator. More details for QMC-CRYOATTF-06BLK can be seen below.