This listing is for a Wiltron 6600M-C-34747 Programmable Step Attenuator. It is rated for DC-20GHz operation at 1 Watt. 0-110dB attenuation in 10dB steps. Female input and output connectors, appears to be 2.92mm. Pulled from a working Wiltron 6647B sweep generator. Fully tested before removal. Fits many models of sweep generator and other equipment.

I offer a 30-day guarantee for this part.

Thanks for looking, and feel free to request additional info or photos!