The DA13 from Weinschel Associates is a Variable Attenuator that operates from DC to 13 GHz. It has an attenuation range of up to 90 dB with a step size of 0.5 dB. The attenuator can handle an input power of up to 0.3 W and has a switching speed of 100 ns. It is available in a module that measures 56 x 32 x 13 mm with SMA connectors.