Rimu Systems LLC
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Buy RimuSDR

Native FlexRadio software for Linux. Finally, a complete application for Linux operators—integrated SDR control, audio routing for digital modes, and CAT support, all built on the FlexRadio control platform you've been waiting for.

$49.00 One-time purchase, includes all version 1.x updates

Enter your base callsign, without /P, /M, or other suffixes, to enable checkout. Your license is tied to this callsign.

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Questions before you buy? Email support@rimusystems.com.

Download Free Trial View License Terms

Per-user license · Includes RimuDAX and RimuCAT · Callsign required for activation · Free trial: 80m receive-only

RimuSDR two panadapters

Purchase Details

Straightforward licensing for individual operators running RimuSDR on their own Linux systems.

License Terms
  • License modelPer-user license for one operator.
  • Your computersInstall on computers you own or control, with up to 10 total activations available.
  • Included appsRimuSDR includes the integrated RimuDAX and RimuCAT components.
  • UpdatesAll RimuSDR version 1.x updates are included with the purchase.
  • RefundsPurchases are covered by the refund policy.
  • ActivationA valid callsign is required when activating the license.
After Your Purchase
  • Confirmation emailYou'll receive an order confirmation email with your receipt.
  • License code emailA separate email will contain your license code, ready to activate in RimuSDR.

What's Included

Everything you need for the RimuSDR operating experience is included with a single purchase.

  • The main RimuSDR operating interface for radio control, panadapter, and waterfall work
  • Integrated RimuDAX for Linux audio routing and digital-mode workflows
  • Integrated RimuCAT for CAT control and software integration
  • SmartLink support for remote operation
  • Version 1.x updates at no additional charge

System Requirements

Current supported platforms and hardware for the initial RimuSDR release. RimuSDR is Linux-native, with the complete feature set on Linux. A Windows client is also available for operators who want to evaluate the interface - see the Downloads page for details.

Linux distributions

Linux

Tested distributions and installation targets.

  • Ubuntu 24.04 and 26.04 LTS
  • Debian 13
  • Linux Mint 22.2, Zorin OS 18, Pop!_OS 24.04
  • Fedora 43 / 44 (RPM)
  • Rocky Linux 9 / 10 (RPM, experimental)
  • Raspberry Pi 4B or 5 running 64-bit ARM Linux
  • AppImage builds tested on MX Linux, Kubuntu, and Manjaro; portable across other x86_64 distributions
See the full tested environments table
FlexRadio compatibility

Radio Support

Supported FlexRadio families.

  • FlexRadio 6000 series
  • FlexRadio 8000 series
  • FlexRadio Aurora series
  • Local network or SmartLink access to the radio
Computer requirements

Computer

Hardware requirements for running RimuSDR.

  • x86_64 or ARM64/aarch64 CPU, dual-core 1.5 GHz minimum
  • 2 GB RAM minimum; 8 GB recommended for typical shack use
  • 500 MB disk space; SSD with 1 GB recommended
  • 1366×768 minimum display; 1920×1080 recommended
  • Wired Ethernet recommended; WiFi supported
  • Raspberry Pi 4 (ARM64, 4–8 GB) is a supported platform

Review the purchase and usage terms before ordering.

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