Check the listing for details. 13GHz Digital Microwave Step Attenuator - 64dB Range - USB & Display. Condition: New. Listed at 779.00 USD. The DS Instruments DAT64H Digital Programmable Attenuator is a compact USB-controlled & USB-powered Digital Programmable RF Attenuator with 0.5dB steps and a range of 0 to 63dB. Free control software and extremely simple COM port remote control make this a popular tool in the RF and test industry. Easy COM port serial commands can be scripted within minutes in python, visual studio, C#, Linux, Matlab, labview, etc....Brand new Device. Designed and built in America with genuine cutting-edge RF components.Now shipping generation 6 DAT64H units with lowered insertion loss! Made in USA.Programmable X-Band Step Attenuator Specs:Max input power: +23.0 dBmDimensions: 2.75″ x 1.25″ x 2.15″Attenuation Range: 0-63 dBStep Size: 0.5 dBFrequency Range: 100 MHz - 13 GHzConnectors: 50 Ohm Premium Gold SMAInsertion Loss: