The 9444 from ARRA Inc. is a Fixed Attenuator with Frequency DC to 18 GHz, Attenuation 1 to 60 dB, Power 2 W, Attenuation Accuracy ±0.3 dB ( 1 to 6 dB ), ±0.5 dB ( 7 to 20 dB ), ±0.75 dB ( 21 to 30 dB ), ±1.5 dB ( 31 to 60 dB ), Operating Temperature -55 to 85 Degree C. Tags: Module with Connectors. More details for 9444 can be seen below.