The 50R-137 from JFW Industries is a variable attenuator that operates from DC to 2.55 GHz. It has an attenuation range from 0 to 80 dB with 10 dB steps. The attenuation level can be controlled manually using a single knob. This attenuator has an insertion loss of less than 1 dB and can handle up to 2 W of average input power and a peak power of up to 1 kW. It is available in a module with N/ SMA/ TNC (F) connectors.
