USB Step Attenuator DAT64

Digital compact programmable rf attenuator - step

The DS Instrument’s DAT64 Digital Attenuator is a compact USB-powered and controlled RF Attenuator with 0.5dB steps with a range of 0 to 63 dB. Maximum input power of 25.0 dBm and max frequency of 6GHz. Low insertion loss and fast update speed make our DAT64 the standard in automated RF test environments. Simple virtual COM port serial commands make interfacing easy with every major OS and scripting environment. Friendly PC control GUI application included. See the DAT64L for a stand-alone version with display and buttons.

Now shipping Rev 6 version with increased performance!

For our 0.25dB step size version, see the new DAT64F.


  • Premium 50 Ohm gold SMA connectors
  • Dimensions: 2.75″ x 1.25″ x 2.15″
  • Attenuation: 0-63dB
  • Step Size: 0.5dB
  • Frequency: 10MHz – 6GHz
  • SCPI command support via USB COM port
  • Power: 5v standard micro-USB

RF Step Attenuator Control App USB

programmable rf step attenuator usb




USA Price: $ 395.00
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