The 50FHC-XXX-25-6 from JFW Industries are fixed attenuators that operates from DC to 6 GHz. They are available in multiple attenuation configurations from 1 to 40 dB with 1 dB attenuation increments. The Attenuators can handle up to 25 watts of average power and have a VSWR of less than 1.50:1. They are available with 4.1/9.5, 4.3/10, 7/16, N, SMA, TNC Male/Female connectors.