Fixed Attenuator Power: 0.5~1000W Attenuation: 3,6,10,20,30,40,50,60dB DC-3GHz DC-6GHz DC-12GHz DC-18GHz DC-26.5GHz DC-40GHz DC-67GHz DC-110GHz Step Variable Attenuator Power: 2~10W Attenuation: 0~99dB DC-18GHz