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SmartSDR v3.8.19
File Download: SmartSDR for Windows v3.8.19 This is the SmartSDR for Windows Integrated Installer which supports the FLEX-8000 and FLEX-6000...
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SmartSDR v3.x API (FlexLib)
SmartSDR FlexLib provides access to the SmartSDR TCP and UDP IP APIs using .NET classes and events. Access to SmartSDR...
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SmartSDR v3.7.4
File Download: SmartSDR for Windows v3.7.4 This is the SmartSDR for Windows Integrated Installer which supports the FLEX-6300, FLEX-6400, FLEX-6400M,...
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SmartSDR v2.12.1
File Download: SmartSDR for Windows v2.12.1 This is the SmartSDR for Windows Integrated Installer which supports the FLEX-6300, FLEX-6400, FLEX-6400M,...
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SmartSDR v3.7.3
File Download: SmartSDR for Windows v3.7.3 This is the SmartSDR for Windows Integrated Installer which supports the FLEX-6300, FLEX-6400, FLEX-6400M,...
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SmartSDR v2.12.0
File Download: SmartSDR for Windows v2.12.0 This is the SmartSDR for Windows Integrated Installer which supports the FLEX-6300, FLEX-6400, FLEX-6400M,...
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SmartSDR v3 Changelog
The SmartSDR ChangeLog file is a cumulative listing of all software changes in SmartSDR v3 including SmartSDR for Windows, SmartSDR...
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SmartSDR v3.6.8
File Download: SmartSDR for Windows v3.6.8 This is the SmartSDR for Windows Integrated Installer which supports the FLEX-6300, FLEX-6400, FLEX-6400M,...
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SmartSDR v2.x API (FlexLib)
SmartSDR FlexLib provides access to the SmartSDR TCP and UDP/IP APIs using .NET classes and events. Access to SmartSDR command,...
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SmartSDR v2.5.1+ Changelog
The SmartSDR ChangeLog file is a cumulative listing of all software changes in SmartSDR v2.5.1 and greater including SmartSDR for...
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SmartSDR v2.10.1
This is the SmartSDR for Windows Integrated Installer which supports the FLEX-6300, FLEX-6400, FLEX-6400M, FLEX-6500, FLEX-6600, FLEX-6600M, and FLEX-6700. It...
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SmartSDR v3.5.9
This is the SmartSDR for Windows Integrated Installer which supports the FLEX-6300, FLEX-6400, FLEX-6400M, FLEX-6500, FLEX-6600, FLEX-6600M, and FLEX-6700. It...
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SmartSDR v2.10.0
This is the SmartSDR for Windows Integrated Installer which supports the FLEX-6300, FLEX-6400, FLEX-6400M, FLEX-6500, FLEX-6600, FLEX-6600M, and FLEX-6700. It...
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SmartSDR v3.5.8
This is the SmartSDR for Windows Integrated Installer which supports the FLEX-6300, FLEX-6400, FLEX-6400M, FLEX-6500, FLEX-6600, FLEX-6600M, and FLEX-6700. It...
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Hardware overview between the FLEX-6400 and FLEX-6600
Mike VA3MW goes over the hardware differences between the FLEX-6400 and the FLEX-6600. For more details and to answer any...
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FLEX-6700 End of Manufacturing
FlexRadio Product BulletinIssued: 05/18/2023Effective: 6/1/2023 FLEX-6700 – End-of-Manufacture (EOM) After ten successful years on the market with the FLEX-6700, it...
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SmartSDR v2.9.2
This is the SmartSDR for Windows Integrated Installer which supports the FLEX-6300, FLEX-6400, FLEX-6400M, FLEX-6500, FLEX-6600, FLEX-6600M, and FLEX-6700. It...
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SmartSDR v3.4.24
This is the SmartSDR for Windows Integrated Installer which supports the FLEX-6300, FLEX-6400, FLEX-6400M, FLEX-6500, FLEX-6600, FLEX-6600M, and FLEX-6700. It...
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FLEX-6700 End of Manufacturing
FlexRadio Product BulletinIssued: 05/18/2023Effective: 6/1/2023 FLEX-6700 – End-of-Manufacture (EOM) After ten successful years on the market with the FLEX-6700, it...
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SmartSDR v2.9.1
This is the SmartSDR for Windows Integrated Installer which supports the FLEX-6300, FLEX-6400, FLEX-6400M, FLEX-6500, FLEX-6600, FLEX-6600M, and FLEX-6700. It...
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SmartSDR v3.4.23
This is the SmartSDR for Windows Integrated Installer which supports the FLEX-6300, FLEX-6400, FLEX-6400M, FLEX-6500, FLEX-6600, FLEX-6600M, and FLEX-6700. It...
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SmartSDR v3.4.21
This is the SmartSDR for Windows Integrated Installer which supports the FLEX-6300, FLEX-6400, FLEX-6400M, FLEX-6500, FLEX-6600, FLEX-6600M, and FLEX-6700. It...
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FLEX-6400, FLEX-6400M, FLEX-6600, and FLEX-6600M EU Declaration of Conformity
This is the FLEX-6400, FLEX-6400M, FLEX-6600, and FLEX-6600M EU Declaration of Conformity.
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SmartSDR v2.8.1
This is the SmartSDR for Windows Integrated Installer which supports the FLEX-6300, FLEX-6400, FLEX-6400M, FLEX-6500, FLEX-6600, FLEX-6600M, and FLEX-6700. It...
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SmartSDR v3.3.33
This is the SmartSDR for Windows Integrated Installer which supports the FLEX-6300, FLEX-6400, FLEX-6400M, FLEX-6500, FLEX-6600, FLEX-6600M, and FLEX-6700. It...
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Can your HF radio do this? FT8 and FT4 at the same time on different frequencies.
Mike shows how any FlexRadio 6000 series can do 2 copies of FT8 or any 2 digital modes at the...
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FLEX-6400(M) (with ATU) Extended Transmit Module Installation Guide
This is the step-by-step guide for installing the Extended Transmit Module in the FLEX-6400 and FLEX-6600M that has an ATU...
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FLEX-6400(M) (no ATU) Extended Transmit Module Installation Guide
This is the step-by-step guide for installing the Extended Transmit Module in the FLEX-6400 and FLEX-6600M that does not have...
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SmartSDR v2.8.0
This is the SmartSDR for Windows Integrated Installer which supports the FLEX-6300, FLEX-6400, FLEX-6400M, FLEX-6500, FLEX-6600, FLEX-6600M, and FLEX-6700. It...
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SmartSDR v3.3.32
This is the SmartSDR for Windows Integrated Installer which supports the FLEX-6300, FLEX-6400, FLEX-6400M, FLEX-6500, FLEX-6600, FLEX-6600M, and FLEX-6700. It...
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New User 6400M & 6600M Operation
If you are a new user of a Flex 6400M or 6600M radio, then you may wish to watch this...
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FLEX-6600(M) and FLEX-6400(M) SD Card Replacement Procedure
This procedure outlines the necessary steps to replace the MicroSD card in a FLEX-6600, FLEX-6600M, FLEX-6400, or FLEX-6400M Signature Series...
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FLEX-6300 SD Card Replacement Procedure
This procedure outlines the necessary steps to replace the MicroSD card in a FLEX-6300 Signature Series software defined radio.
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FLEX-6700 and FLEX-6500 SD Card Replacement Procedure
This procedure outlines the necessary steps to replace the MicroSD card in a FLEX-6700 or FLEX-6500 Signature Series software defined...
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SmartSDR v3.3.29
This is the SmartSDR for Windows Integrated Installer which supports the FLEX-6300, FLEX-6400, FLEX-6400M, FLEX-6500, FLEX-6600, FLEX-6600M and FLEX-6700. It...
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FlexRadio History – with Gerald Youngblood
Gerald, the CEO of FlexRadio Systems, reviews the history of FlexRadio and the SDR radio.
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Programs that interface with FlexRadio
These are just some of the programs that interface directly with your FlexRadio.
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Update on SmartLink with Maestro and M models
An update on the fix for the Maestro and 6400M/6600M models and the next steps.
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SmartSDR v2.7.6
This is the SmartSDR for Windows Integrated Installer which supports the FLEX-6300, FLEX-6400, FLEX-6400M, FLEX-6500, FLEX-6600, FLEX-6600M and FLEX-6700. It...
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SmartSDR v3.2.39
This is the SmartSDR for Windows Integrated Installer which supports the FLEX-6300, FLEX-6400, FLEX-6400M, FLEX-6500, FLEX-6600, FLEX-6600M and FLEX-6700. It...
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Update on the Maestro & Model issues with SmartLink
We will bring you up to speed with the current process going on with SmartLink updates as they related to...
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SmartSDR v3.2.34
NOTE: This version of SmartSDR has been depreciated and will be removed soon. Please upgrade to SmartSDR v3.2.39 at your...
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RTTY + N1MM setup for CQ WW WPX 2021
A walkthrough on setting up your 6000 series radio to work with N1MM (with MMTTY)
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Using the USB port on the back of the 6000 series radios
The USB ports on the back of the radio are used to control external RS232 devices and non RS232 devices.
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Flex6600M on Amsat’s XW2D satellite
I record 2 satellite QSO’s with a Flex 6600M and 2 Q5 Signals transverters.
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FlexRadio and Connor Black W4IPC
Connor talks to us about his CQWW experience with Remote Ham Radio.
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Ham Radio Remote Operation via SmartLink
Operate from Anywhere Robust, secure remote access to any Flex-6000. Simple Click connect. It’s that simple. SmartLink™ is designed from...
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Como Visualizar los SPOTS del N1MM en los Flex-6000 y Maestro
Se requiere 2 configuraciones basicas: 1- CAT 2- N1MM Para mas informacion acerca de los Flex pueden enviar sus preguntas...
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SmartSDR for MAC overview for Flex 6000 series radios
Short overview of SmartSDR for MAC. https://roskosch.de/smartsdr-for-mac/.
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SmartSDR v2.4.10
This is the SmartSDR for Windows Integrated Installer which supports the FLEX-6300, FLEX-6400, FLEX-6400M, FLEX-6500, FLEX-6600, FLEX-6600M and FLEX-6700. It...
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SmartSDR v2.4.10 Release Notes
SmartSDR v2.4.10 Release Notes. Release Notes contain pertinent information related to new software features, bug fixes, and release-specific installation information...
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FLEX-6700 Product Brochure
FLEX-6700 Product Brochure, including product features and specifications.
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Flex talks to Len KD0RC
Len talks about how he used his Flex Radios for Field Day.
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Monitoreo del audio de TX mediante la funcion Full Duplex con Flexradio series 6000
Es posible monitorear y ajustar el audio de TX tal cual lo estamos transmitiendo en al aire. Esto es gracias...
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Intro to the 6000 design
About the Flex 6400 and a single Spectral Capture Unit.
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Using Full Duplex in SmartSDR
FlexRadio 6000 series radios can all actually be used to listen to your own transmitted signal. This is something that...
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FLEX 6600M Getting Started with some Basic Controls
Just a few of the basic controls of the FLEX 6600M. at KN4JX QTH. This is an instructional video only....
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FlexRadio – Running 2 copies of WSJTx
Today, I am showing how I setup to watch for 6M openings, especially when I think we are going to...
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Ham Radio Remote operation Flex Radio Club Remote Operating with VA3CW Remote Antennas, SmartLin
Today we talk with Andy VA3CW about how he got started with a Flex radio for his club station.
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Flexradio en Español – Configuraciones remotas y concursos para radioaficionados
Le damos la bienvenida a todos los radioaficionados del mundo de habla hispana. En este video hablamos con los colegas...
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Using External Amplifiers with a FLEX-6000 Transceiver – Part 1
The purpose of this article is to address some common conceptual errors amateur radio operators make when interfacing transceivers and...
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Flex 6000 radio and FRStack
An overview of FRStack by Mark W3II. Yet another handing external program that works well with SmartSDR and Flex 6000...
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Introduction to FlexRadio SmartControl
Welcome to SmartControl for your Flex 6000 series radio. With SmartControl you can now use your Maestro as a control...
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SmartSDR v1.12.1
This is the SmartSDR for Windows Integrated Installer which supports the FLEX-6300, FLEX-6500, and FLEX-6700. It contains the following SmartSDR...
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Upgrading SmartSDR Versions on the 6400M or 6600M
How to upgrade the software on your 6400M or the 6600M including moving up a version and having to process...
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How to apply SmartSDR Maintenance updates
This video walks you through the process of updating the SmartSDR software on your Flex 6000 series radio by using...
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How to update SmartSDR from an older version to a new version
This describes the process for updating your Flex 6000 radio to a complete new version, such as V1 or V2...
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Networking a Flex 6000 series radio
I go through one of the most reliable ways to network your Flex 6000 series radio. -Mike VA3MW
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AMSAT: An Easy Way to Work the L-Band Satellites
This article by Ronald G. Parsons, W5RKN describes An Easy Way to Work the L-Band Satellites Copyright of AMSAT and...
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TPLink Wireless Bridge Quick Start Guide
This quick start guide (QSG) describes how to configure the TPLink Wireless Bridge to connect a FLEX-6000 to a WiFi...
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Remote On/Off Kit Quick Start Guide
This quick start guide (QSG) describes how to configure the Kasa Smart Wi-Fi Plug Lite and Digital Logger AC powered...
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SmartSDR with multiFLEX Installation
How to upgrade your SmartSDR to V3 with multiFLEX. Make sure you backup your profiles using an earlier version of...
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FLEX-6400M and FLEX-6600M User Guide v3.x
The FLEX-6600M and FLEX-6400M User Guide is a comprehensive description of the hardware, features, and operation of the FLEX-6600M and...
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QST Review: FLEX-6400M HF and 6m SDR Transceiver
This article by John Hallas, W1ZR reviews the FLEX-6400M for QST Copyright of the ARRL and reproduced from their magazine...
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Works with Flex
A quick overview of some of the wonderful add on products that work directly with a Flex 6000 radio. All...
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Works with Flex Radio
Applications that work seamlessly with your Flex Radio.
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NCJ: The FLEX-6600M as an SO2R Contesting Radio
This article by Al Dewey, K0AD describes using the FLEX-6600 as a single radio SO2R contesting solution. Copyright of National...
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Grayline: FLEX-6600M Review
This article by Paul Staupe, W0AD is a review of the FLEX-6600M. Copyright of TCDXA and reproduced from their magazine...
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FLEX-6500 and FLEX-6700 EU Declaration of Conformity
This is the FLEX-6500 and FLEX-6700 EU Declaration of Conformity.
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FLEX-6300 EU Declaration of Conformity
This is the FLEX-6300 EU Declaration of Conformity.
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FLEX-6600(M) Extended Transmit Module Installation Guide
This is the step-by-step guide for installing the Extended Transmit Module module in the FLEX-6600 and FLEX-6600M software defined radios.
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QST Review: FLEX-6500 SDR Transceiver and Updated SmartSDR for Windows Software
This article by Martin Ewing, AA6E reviews the FLEX-6500 for QST Copyright of the ARRL and reproduced from their magazine...
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QST Review: FLEX-6300 Transceiver, FLEX-6700 Transceiver, and SmartSDR for Windows Software
This article by Martin Ewing, AA6E reviews the FLEX-6700 and FLEX-6300 for QST Copyright of the ARRL and reproduced from...
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Amateur Radio Review: A glimpse into the future – the Flex Signature Series radios
This article by Brian Morgan VK7RR/4 reviews the FLEX-6500 for Amateur Radio. Copyright of the Wireless Institute of Australia and...
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AMSAT: My Software Defined Radio Satellite Station using a FLEX-6600
This article by Ronald G. Parsons, W5RKN describes the engineering of a satellite ground station using a FLEX-6600. Copyright of ...
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AMSAT: FlexSATPC – Using SatPC32 with FlexRadio Radios
This article by David Beumer, W0DHB describes the development and use of the FlexSATPC application for satellite operation using a...
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AMSAT: A Full Duplex VHF-UHF Satellite System Using FlexRadio SDR
This article by Ronald G. Parsons, W5RKN describes the engineering of a satellite ground station using a FLEX-3000 and FLEX-1500...
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AMSAT: A Full Duplex VHF-UHF Satellite System Using FlexRadio SDR Update
This article by Ronald G. Parsons, W5RKN describes the engineering of a satellite ground station using a FLEX-6000. Copyright of ...
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FLEX-6500 and FLEX-6700 Handle Installation Guide
This is the step-by-step guide for installing the front facing handle kit on the FLEX-6500 and FLEX-6700 software defined radios.
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FLEX-6500 and FLEX-6700 GPSDO Installation Guide
This is the step-by-step guide for installing the GPSDO module in the FLEX-6500 and FLEX-6700 software defined radios.
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FLEX-6000 Full Duplex Power Calculation Worksheet
This worksheet will assist in calculating the transmitted power output that the SCU will be exposed to when operating in...
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FLEX-6700R Datasheet
This is the datasheet for the FLEX-6700R software defined receiver.
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FLEX-6700R Quick Start Guide
This is the Quick Start Guide for the FLEX-6700R software defined receiver.
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SmartSDR for Maestro v1 Changelog
The SmartSDR for Maestro ChangeLog file is a cumulative listing of all software changes in SmartSDR v1 for Maestro.
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SmartSDR for Maestro v2 Changelog
The SmartSDR for Maestro ChangeLog file is a cumulative listing of all software changes in SmartSDR v2 for Maestro.
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FLEX-6000 Family Quick Start Guide
This is a printable version of the first generation FLEX-6000 Family Quick Start Guide for the FLEX-6700, FLEX-6500 and FLEX-6300...
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FLEX-6300 Handle Installation Guide
This is the step-by-step guide for installing the front facing handle kit on a FLEX-6300.
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FLEX-6500 and FLEX-6700 Rack Mount Bracket Installation Guide
This is the step-by-step guide for installing the rack mount bracket kit on the FLEX-6500 and FLEX-6700 software defined radios.
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FLEX-6700 SO2R configuration with N1MM+
This configuration guide describes how to set up the FLEX-6700 for SO2R operation using N1MM+. This is also applicable to...