The WHW2-27500-28000-40-40000-30 is a High Pass Filter with a passband from 27.5 to 40 GHz. The lower cutoff frequency (Fco) can be customized between 27.5 to 28 GHz. It has an insertion loss of under 0.5 dB and a stopband attenuation of over 40 dB. The HPF can handle an input power of up to 30 watts. It is available in a surface mount package that measures 60 x 20 x 12 mm (with connectors and flanges) with PC 2.92 male/female connectors.