The 2004 Series are flanged mounted SMA attenuators that operate from DC to 18 GHz. They can handle up to 2 Watts of power and are available in a number of configurations 0-10 dB, 12 dB, 15 dB, 20 dB and 30 dB. The attenuators have a VSWR of under 1.35:1 through the band.