The 75FP-XXX-3G from JFW Industries are Fixed Attenuators which operate from DC to 3 GHz. They come in various options with an attenuation value from 1 to 30 dB in 1 dB increments. These 75-ohm attenuators can handle up to 0.5 W of average power and up to 100 W of peak power. They are available in a connectorized package with F-type, BNC, and N-type connectors.