The TAXXA2-S-18-Cryo from Talent Microwave Inc is a Fixed Attenuator with Frequency DC to 18 GHz, Attenuation 0 to 10/12/15/20/30 dB, Power 2 W, Cryogenic Temperature 10 mK to 85 Degree C, Attenuation Accuracy ±0.3 to ±0.8 dB. Tags: Connectorized, Cryogenic Attenuator. More details for TAXXA2-S-18-Cryo can be seen below.