The A954 from ARRA Inc. is a Fixed Attenuator with Frequency DC to 26.5 GHz, Attenuation Form Factor: 6858, Power 2 W, Attenuation Accuracy ± 0.40, 0.80 dB, Operating Temperature -55 to 85 Degrees. Tags: Module with Connectors. More details for A954 can be seen below.