BroadWave Technologies has developed a line of 75 Ohm fixed attenuators. Model series 379-256-XXX are 1-watt units operating from DC to 3 GHz and have 1.50:1 maximum VSWR. Attenuation values available are 1-20, 30 and 40 dB with attenuation accuracy ± 0.75 dB. The RF connector configuration is F male / F female. BroadWave also manufactures 75 Ohm fixed attenuators with BNC, Type N and TNC RF connectors.