The AWP284-M-dB-FF from MCLI is a series of fixed waveguide attenuators that operate from 2.6 to 3.95 GHz. They are available in 10, 20, 30, 40 and 50 dB configurations and can handle up to 1200 Watts of power. The Attenuator series have a WR-284 waveguide size interface and have a VSWR of 1.15:1.