90dB Digital Attenuator 6GHz


SKU: DAT90L Category:


The DS Instruments DAT90 Digital Programmable Attenuator is a compact stand-alone and USB-controlled RF Step Attenuator with 0.50dB steps and a range of 0 to 90dB. This premium version features a bright OLED display and front user control buttons. Input frequency ranges from 50MHz 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.


Digital Attenuator Specs:

  • Max input power: +25.0dBm
  • Typical Maximum Insertion loss: <10dB
  • Dimensions: 2.75″ x 1.25″ x 3″
  • Attenuation: 0-90dB
  • Step Size: 0.50dB
  • Frequency: 50MHz – 6GHz
  • Return Loss: > 12dB

DAT90L Features:

  • SCPI command support via USB COM port
  • Front buttons and display for stand-alone use 
  • Standard micro USB powered
  • Premium Gold SMA RF connectors
  • Tiny, rugged, and cost-saving!
  • Low insertion loss

Common RF Applications:

  • Automated testing environments
  • General RF Lab use
  • Control Systems
  • Cellular equipment testing
  • Production verification
  • Educational / university lab use
  • Aerospace / Defense Research

Attenuator Images:





RF Performance Plots:



Visit the Support page for newest software and datasheets!


Additional information

Weight N/A
Device Configuration

Ethernet & USB & Display, USB & Display

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