FlexRadio Manuals & User Guides

User manuals, setup guides, troubleshooting help, and repair information for FlexRadio products.

Tip: include the full model number printed on your FlexRadio label for the best match.

FlexRadio manuals

Latest posts, featured manuals, and retailer-linked manuals for this brand tag.

FlexRadio SmartSdr Basic and SmartSdr+ v4 Changelog User Guide

November 18, 2025
FlexRadio SmartSDR Basic and SmartSDR+ v4 Changelog Specifications Product Name: SmartSDR Basic and SmartSDR+ v4 Release Date: October 30, 2025 Manufacturer: FlexRadio, Inc. Compatibility: SmartSDR for Windows, SmartSDR for the M-Models, and Maestro Features: New DSP Noise Mitigation, AUTOTUNE button,…

FlexRadio FLEX-8400M SDR Transceiver Instructions

August 12, 2025
FlexRadio FLEX-8400M SDR Transceiver Product Information Specifications Product Name: SmartSDR Version 3 Version: 3.9.19 General Release Date: 2025-07-08 Compatibility: SmartSDR for Windows, SmartSDR for the M Models, and Maestro FLEX-8400™/FLEX-8400M™ THE FLEX-8400/8400M IS PERFECT FOR BOTH CASUAL AND SERIOUS HF/6M…

FlexRadio FLEX-8000 Software Defined Radios User Guide

June 21, 2025
FLEX-8000 Software Defined Radios Specifications: Product Name: SmartSDRTM for Windows v3.9.18 Compatibility: FLEX-8000 and FLEX-6000 series software-defined radios, and MaestroTM Release Date: May 28, 2025 Version: 3.9.18 Product Information: SmartSDRTM v3.9.18 is a general release for all FLEX-8000 and…

FlexRadio FLEX-8400M Signature SDR Transceiver Instructions

March 6, 2025
FLEX-8400M Signature SDR Transceiver Instructions SmartSDR™ for Windows v3.8.23 Release Notes February 17, 2025 SmartSDR™ v3.8.23 is a general release for all FLEX-8000 and FLEX-6000 series softwaredefined radios, and the Maestro™. This version supersedes all previous versions of SmartSDR v3.x. This document…

FlexRadio FLEX-8400 SDR Transceiver User Guide

November 18, 2024
FlexRadio FLEX-8400 SDR Transceiver Product Information Specifications Product Name: SmartSDR for Windows v3.8.20 Release Date: November 12, 2024 Compatible with: FLEX-8400, FLEX-8600, FLEX-6000 series software-defined radios, and Maestro Product Usage Instructions Upgrade Prerequisites Before upgrading to SmartSDR v3.8.20, ensure you…

FlexRadio AURORA 500W Transceiver Quick Start Guide

quick start guide • January 12, 2026
This Quick Start Guide provides essential information for setting up and operating the FlexRadio AURORA 500W Transceiver (models AU-510, AU-510M, AU-520, AU-520M). It covers unboxing, required connections, SmartSDR software installation, and basic operational procedures for amateur radio enthusiasts.

SmartSDR v3 Changelog - FlexRadio

Software Release Notes • January 2, 2026
Comprehensive changelog for SmartSDR version 3, detailing significant changes, bug fixes, and improvements across various maintenance and general releases for SmartSDR for Windows, M Models, and Maestro.

SmartLink Setup Guide - FlexRadio

User Manual • December 14, 2025
A comprehensive guide to setting up FlexRadio's SmartLink service, enabling remote access to your FlexRadio from outside your home network. Covers account registration, radio setup, and router configuration.

SmartSDR v4.0.1 Release Notes - FlexRadio

Release Notes • November 2, 2025
Detailed release notes for FlexRadio's SmartSDR v4.0.1 software, covering new features like enhanced noise mitigation, Digital Voice Keyer (DVK), CW Auto Tune, and Relative Noise Floor Scaling. Includes bug fixes, installation guides, best practices, and licensing information for SDR enthusiasts.

SmartSDR v4.0.1 Release Notes - FlexRadio

release notes • November 1, 2025
Comprehensive release notes for FlexRadio SmartSDR v4.0.1 software, detailing new features like DSP noise mitigation, CW Auto Tune, Enhanced Signal Clarity, bug fixes, installation guides, and best practices for SDR users.

FlexRadio FLEX-6400/6400M ATU Kit Installation Guide

Installation Guide • October 19, 2025
Step-by-step instructions for installing the FlexRadio FLEX-6400/6400M ATU Kit. This guide details required tools, essential prerequisites including ESD precautions, and a comprehensive procedure with textual descriptions of visual elements for a successful installation.