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MSwitch RF Switch Instrument Drivers

For a complete list of all IVI drivers from Keysight, please visit

This driver download installs the IVI-C, IVI-COM, LabVIEW, and MATLAB driver components, as well as the soft front panel and kernel device driver.

Keysight modular drivers also require that Keysight IO Libraries Suite 16.0 or greater be installed. To get the latest release of the IO Libraries Suite, go to

Current Version Details
Version 1.2.1
Models Supported M9128A, M9146A, M9147A, M9148A, M9149A, M9150A, M9151A, M9152A, M9153A, M9101A, M9102A, M9103A, M9120A, M9121A, M9122A, M9130A, M9131A, M9132A, M9135A, M9133A
IO Libraries Required Version 16.0 or greater
Driver Types and Version

IVI-C (32/64-bit)
IVI-COM (32/64-bit)
LabVIEW (32/64-bit) 1.1.0
MATLAB (32 bit)

Soft Front Panel Version
IVI Classes Supported

IviSwtch 3.0
IviDriver 1.0

Minimum IVI Shared Components Version 2.1.1
Release Date Version Version Description
2011-06-07 1.2.1 MSwitch Instrument Driver Version 1.2.1 for Modular RF Switches

How to Download

  • See Above

How to Install

  • Run the downloaded installer.
  • If you see a Windows Security prompt, check the box Always trust software from "Agilent Technologies, Incorporated", then click the Install button to install the driver.


  • Does Not Require a License

Supporting Documentation


Installs on:


Operating System

  • Windows 7
  • Windows Vista
  • Windows XP


Supported Instruments

  • M9101A, M9102A, M9103A, M9120A, M9121A, M9122A, M9128A, M9130A, M9131A, M9132A, M9133A, M9135A, M9146A, M9147A, M9148A, M9149A, M9150A, M9151A, M9152A, M9153A

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