The WA35 from Weinschel Associates are Fixed Attenuators that operate from DC to 8.5 GHz. They are available in attenuation values from 3 to 40 dB. These attenuators can handle an average input power of 250 W and a peak input power of 5 kW. They have a VSWR of 1.45:1 and are available in an aluminum alloy module that measures 197 x 83 x 52 with N-Type or DIN 7/16 stainless male/female connectors.