The 685-50-1 from MECA is a variable step attenuator that operates from DC to 2.5 GHz. The attenuator has an attenuation range of 0 to 50 dB in 1 dB steps. It has an insertion loss of under 1 dB and can handle an average input power of up to 2 watts. This attenuator is available in a module with N-type female connectors.