The FA40-02XX-KMKF from Fujian MIcable is a Fixed Attenuator with Frequency DC to 40 GHz, Attenuation 1 to 30 dB, Power 2 W, Attenuation Accuracy -0.8 to +0.8 dB, -0.8 to +1.0 dB, -1.0 to +1.3 dB, -1.0 to +1.5 dB, Operating Temperature -55 to 125 Degree C. Tags: Module with Connectors. More details for FA40-02XX-KMKF can be seen below.