The YAT-30A+ from Mini Circuits is a Fixed Attenuator with Frequency DC to 18 GHz, Attenuation 29.5 to 31.8 dB, Power 1 W, Operating Temperature -40 to 85 Degree C, Storage Temperature -65 to 150 Degree C. Tags: Surface Mount. More details for YAT-30A+ can be seen below.