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Need the latest SmartSDR or 4O3A Genius Product Software?
SmartSDR v4.1.3 | SmartSDR v4.1.3 Release Notes
SmartSDR v3.10.15 | SmartSDR v3.10.15 Release Notes
The latest 4O3A Genius Product Software and Firmware
SmartSDR v4.1.3 | SmartSDR v4.1.3 Release Notes
SmartSDR v3.10.15 | SmartSDR v3.10.15 Release Notes
The latest 4O3A Genius Product Software and Firmware
If you are having a problem, please refer to the product documentation or check the Help Center for known solutions.
Need technical support from FlexRadio? It's as simple as Creating a HelpDesk ticket.
Need technical support from FlexRadio? It's as simple as Creating a HelpDesk ticket.
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Aurora FAQ
Why is the Aurora transmitter so efficient? The Polar Explorer © 2025 transmitter is so efficient because it replaces legacy linear amplification with switch-mode amplification—specifically Class D a…1 -
Aurora Model Comparison
Aurora Series Comparison Feature AU-510 AU-510M AU-520 AU-520M Transmitter Power 1–500W HF, 1–200W 6m 1–500W HF, 1–200W 6m 1–500W HF, 1–200W 6m 1–500W HF, 1–200W 6m Efficiency (Peak) Up to 80% Up to …1 -
FlexRadio Aurora 500W HF Radio
What is Aurora?FlexRadio has developed a new HF transceiver with a 500W output on 160-10m HF bands (200W on 6m). This radio does not use a legacy RF exciter followed by a linear amplifier. Instead, i…4 -
Re: Time from payment until delivery?
Peter.. I see your email, but I haven't had a chance to answer all my emails yet. However, we ran out of cases and that slowed down building. The supplier did not deliver on schedule but I think…1 -
Re: order status
email orders@flexradio.com however, if the item is in stock (and the web site is accurate) it should ship within a day or so subject to a few other issues.1
