Control software Download

Download the old version

Download Type Control software
Model name RS-MS3W
Version Version 1.30
Update 2019/05/10
Major changes

Changes from Version 1.20

  • The UDP Hole Punch function is usable.
    (Even if the port cannot be opened on your router, or the global IP address is not assigned to your router, you can use the Access Point or Terminal modes to contact D-STAR stations operating in the Access Point or Terminal modes.)

    -You still need to open the ports to receive calls from other D-STAR stations.
    -Depending on your network environment, this function may not be usable.
    -You cannot receive responses from stations using D-STAR repeaters.


  • Download and unzip the "" file.
  • Double-click the "RS-MS3W_1.30.exe" file, then follow the instructions displayed on the screen.
  • After installation, read the RS-MS3W instruction manual for operation details. Download the instruction manual here.
File Size 1.00MB
File Type zip
Manual manual download page

Regarding this Download Service.

When using this download service, the implementation, use and/or results of use are the sole responsibility of you using this download service and the equipment. You shall comply with applicable laws and regulatory requirements in the use of this download service and in the operation of the equipment.

Firmware is important data for the basic system control of your equipment. An interruption during downloading or a malfunction may cause a failure in the data re-writing, and your equipment may stop functioning normally. If such a failure of the firmware re-writing results in your equipment not functioning normally, Icom Inc. and its affiliates expressly denies and is free from any and all responsibility arising from the result of damage from such an event.

You agree not to hold Icom Inc. and its affiliates responsible for any damage to your equipment operation or loss of data, or unauthorized use of the equipment, whether intentional or not, as a result of use this download service.