The AS398 Attenuators are 1 Watt Fixed attenuators that operate from DC to 3 GHz with SMA Connectors (MIL-STD-348 Compliant). They are available in attenuation configurations from 1 to 10 dB, 12 dB, 15 dB and 20 dB. The attenuators have an accuracy of 0.5 dB and a VSWR of 1.25:1. They are matched to 50 ohms and operate from 40 to 80 degrees C.