The 685-110-1 from MECA is a Variable Step Attenuator that operates from DC to 2 GHz. It has an attenuation range of 0 to 50 dB in 1 dB steps (manually controlled by a knob) and an insertion loss of less than 1 dB. This attenuator can handle an average power of 2 W, and a peak input power of 1 kW with a VSWR of less than 1.5:1. It is available in module and has N-Type female connectors This variable attenuator is ideal for high power applications in addition with appropriately sized fixed attenuator.