6GHz Digital Attenuator – 64dB


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The DS Instruments DAT64L Digital Programmable Attenuator is a compact stand-alone and USB-controlled RF Step Attenuator with 0.5dB steps and a range of 0 to 63dB. This premium version features a bright OLED display and front user control buttons. Input frequency ranges from 10MHz to 6GHz. No host PC is required to use this device. Automated scripted control is extremely easy requiring no extra drivers, just a simple virtual COM port connection and SCPI based text commands.

Now shipping Rev 8 version with both SMA ports on the REAR!

For our 0.25dB step size version, see the DAT64F. For the 13GHz version: DAT64H.

Note that we offer this device for a lower price without the display and buttons for automated USB controlled applications.

Programmable DAT64L Attenuator Specs:

  • Frequency: 10MHz – 6GHz
  • Attenuation: 0-63dB
  • Step Size: 0.5dB
  • Max input power: +24.0dBm (+10dBm when < 100MHz input)
  • Dimensions: 2.75″ x 1.25″ x 2.15″
  • Insertion loss: < 6dB
  • Return loss: >15dB Typical
  • Third order intercept: +55dBm

DAT64L Features:

  • SCPI command support via USB COM port
  • Front buttons and convenient OLED display
  • Power: 5v standard micro USB cable
  • Premium Gold SMA RF connectors
  • Extremely compact
  • All-Aluminum powder coated black case
  • Optional Ethernet

Common RF Applications:

  • Automated testing environments
  • General RF lab use
  • Control systems
  • Cellular equipment testing
  • Production verification
  • Educational / university lab use
  • Aerospace / defense research
  • Internet of things development
  • LTE network testing
  • Electronic warfare

Digital Attenuator Control Application:


mini attenuator


Typical DAT64 Insertion Loss at 0dB Setting:

Programmable Attenuator Typical Return Loss:


Additional information

Weight N/A
Device Configuration

Ethernet & USB & Display, No Display or Buttons, USB & Display