FlexRadio Aurora 500W HF+6M SDR Transceivers

FlexRadio AURORA™ SERIES is an all-new family of HF + 6M transceivers featuring the world's first truly integrated 500 watt SDR transmitter. The Aurora Series defines a new category in amateur radio, eliminating the traditional boundaries between transceiver, amplifier, tuner, and power supply. Designed for the modern operator, the Aurora Series delivers exceptional RF performance in a radically compact form factor—leveraging cutting-edge high-efficiency technology that produces more power with less weight, lower heat, and dramatically reduced power input requirements.

Aurora Series transceivers are network ready, designed for remote access with SmartSDR clients on any Windows, macOS, iPad®, iPhone®, or Maestro™ device, in your shack, easy chair, or from virtually anywhere in the world!

All four Aurora versions offer full coverage reception of 30 kHz to 54 MHz in real time for complete visibility and control across the bands.

The AU-510/510M has a single SCU (Spectral Capture Unit) that digitizes the RF spectrum for signal processing and display, supporting up to 2 slice receivers and 2 simultaneous panadapters.

AURORA AU-510 & AU-510M Features:

• AU-510 Headless Transceiver with Integrated Remote Operation with a Maestro™, iPad®, iPhone® or PC/Laptop
• AU-510M Maestro Front Panel Transceiver with 8-Inch 1920 X 1200 IPS Display and HDMI® external monitor port

• 500W PEP HF, 200W 6m operation with 80% nominal efficiency
• Integrated AC/DC Power Supply, 80-264VAC, 47-63Hz, PF > 0.94
• All Modes/Amateur Bands 160m-6m
• Two Independent Band/Mode Receivers
• Full Duplex Cross-Band Operation
• One Receive Only Port
• One Transverter/Exciter Port
• Direct Sampling SDR 122.88Msps, 16 bit
• 115 dB 2kHz RMDR
• >145 dB Dynamic Range
• Built in 500W Antenna Tuner
• 10 MHz Reference Input
• Integrated GNSS receiver with antenna maintains radio frequency with no adjustments
• Optional High-performance GPSDO provides 10MHz output for external equipment


The AU-520/520M features two independent SCUs, each capable of digitizing wide portions of the 30 kHz to 54 MHz spectrum simultaneously. This dual-SCU configuration allows for up to 4 slice receivers and 4 independent panadapters, making them a powerful choice for contesting, diversity reception, multi-band monitoring, and advanced digital operation.

AURORA AU-520 & AU-520M FEATURES:

• AU-520 Headless Transceiver with Integrated Remote Operation with a Maestro™, iPad®, iPhone® or PC/Laptop
• AU-520M Maestro Front Panel Transceiver with 8-Inch 1920 X 1200 IPS Display and HDMI® external monitor port

• 500W PEP HF, 200W 6m operation with 80% nominal efficiency
• Integrated AC/DC Power Supply, 80-264VAC, 47-63Hz, PF > 0.94
• All Modes/Amateur Bands 160m-6m
• Integrated Remote Operation with a Maestro™, iPad®, iPhone® or PC/Laptop
• Four Independent Band/Mode Receivers
• Full Duplex Cross-Band Operation
• True Diversity Reception
• Two Receive Only Ports
• Two Transverter/Exciter Ports
• Integrated SO2R Solution (OTRSP) Support in one radio
• Contest Band Filters: >50dB Rejection band-to-band
• Direct Sampling SDR 245.76Msps, 16 bit
• 115 dB 2kHz RMDR
• >155 dB Dynamic Range
• Built in 500W Antenna Tuner
• 10 MHz Reference Input
• Integrated GNSS receiver with antenna maintains radio frequency with no adjustments
• Optional High-performance GPSDO provides 10MHz output for external equipment
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