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FlexRadio FLEX – Software Defined HF Transceiver.

FlexRadio FLEX-8600 Signature Series SDR Transceiver – Premium 4K Wideband Direct Sampling HF/6m SDR | Radioworld UK

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£4,599.00
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Product code: FLEX-8600-NO-SCREEN
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Item CostFinance OptionDepositMonthly PaymentsTotal Cost
£4,599.00
12 Months 14.9% APR
£459.90
£396.32
£5,215.73
£4,599.00
18 Months 14.9% APR
£459.90
£264.21
£5,215.73
£4,599.00
24 Months 14.9% APR
£459.90
£198.16
£5,215.73
£4,599.00
36 Months 14.9% APR
£459.90
£132.11
£5,215.73
£4,599.00
48 Months 14.9% APR
£459.90
£99.08
£5,215.73
£4,599.00
12 Months 19.5% APR
£459.90
£412.19
£5,406.12
£4,599.00
18 Months 19.5% APR
£459.90
£274.79
£5,406.12
£4,599.00
24 Months 19.5% APR
£459.90
£206.09
£5,406.12
£4,599.00
36 Months 19.5% APR
£459.90
£137.40
£5,406.12
£4,599.00
48 Months 19.5% APR
£459.90
£103.05
£5,406.12

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FlexRadio FLEX-8600 Signature Series SDR transceiver front view

FlexRadio FLEX-8600 Signature Series SDR Transceiver – Premium 4K Wideband Direct Sampling HF/6m SDR | Radioworld UK


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The FlexRadio FLEX-8600 Signature Series SDR Transceiver represents the next evolution in high-performance software-defined radio (SDR) design, engineered for the most demanding amateur and professional radio operators.

Building on the award-winning FLEX-8000 architecture, the FLEX-8600 features direct sampling technology, a 4K-wideband spectral display, and ultra-low noise ADCs, delivering industry-leading dynamic range, receiver sensitivity, and spectral purity across the 160–6 metre bands.

Powered by SmartSDR™ software, the FLEX-8600 provides a fully integrated, touchscreen-based user experience with multi-slice receiver operation, digital pre-distortion (PureSignal™), built-in transverter ports, and Ethernet/remote operation via LAN or WAN connection.

With its advanced FPGA-based signal processing and optional integration with FlexRadio’s PowerGenius XL amplifier and Tuner Genius XL, the FLEX-8600 is designed to deliver a truly seamless station automation and remote operation environment.

Whether you operate from home, remote, or field locations, the FLEX-8600 combines performance, flexibility, and reliability in one of the most advanced SDR platforms available.

Key Features

  • Direct sampling SDR architecture for ultra-high dynamic range performance

  • Frequency coverage: 30 kHz – 54 MHz (160–6 metres)

  • Dual independent SCUs (Spectral Capture Units) for true diversity reception

  • Four full-duplex slices with independent tuning and demodulation

  • Ultra-low phase noise oscillators for superior signal purity

  • High-speed 16-bit ADCs – over 120 dB RMDR (Receiver Dynamic Range)

  • 4K UHD Panadapter/Waterfall display with SmartSDR interface

  • Built-in LAN/WAN capability for remote and networked operation

  • PureSignal™ digital pre-distortion (DPD) for ultra-clean transmit audio

  • Transverter ports and RX-A/B inputs for external devices

  • Full digital integration with PowerGenius XL and Tuner Genius XL

  • Upgradeable via SmartSDR™ firmware for continual feature expansion

  • Made in the USA by FlexRadio Systems

Technical Specifications

SpecificationDetails
ModelFLEX-8600 Signature Series
Receiver ArchitectureDirect Sampling SDR (16-bit ADC, FPGA-based)
Frequency Coverage30 kHz – 54 MHz (160–6 m)
ModesSSB, CW, AM, FM, RTTY, Digital
Slices / ReceiversUp to 4 simultaneous
Dynamic Range (RMDR)>120 dB
Phase Noise–140 dBc/Hz typical
ADC Sample Rate245.76 Msps
Spectral Capture Units (SCUs)2 (independent diversity reception)
DisplayIntegrated SmartSDR 4K UHD Panadapter/Waterfall
LAN/WAN Connectivity1 Gbps Ethernet
Remote ControlSmartSDR for Windows, Maestro, iOS, and MacOS
Power Output100 W PEP (adjustable)
Power Supply13.8V DC ±15%, 25A max
Transverter Ports2
Antenna Connectors2 main, 1 RX-only
Dimensions330 × 130 × 340 mm
Weight7.2 kg
ManufacturerFlexRadio Systems, USA

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