Take a Look at FlexRadio 8400 Transceivers (Video)

Looking for an excellent entry-level HF SDR with a budget-friendly price tag? Check out the FlexRadio 8400 Signature Series 100W HF+6M Transceivers—a lot of radio for the money, with the versatility to fit your operational needs.

FLEX-8400 base module — FlexRadio 8400 Signature Series Transceiver. (Image/FlexRadio)

**FlexRadio 8400M model** with high-resolution display and ergonomic controls. (Image/FlexRadio)

FlexRadio’s Michael Walker, VA3MW, calls it a “powerhouse radio” in this interview with DX Engineering’s Michael Murphy, KI8R, during the 2026 Hunstville Hamfest:

Here’s a quick overview of key features:

Direct Sampling SDR Architecture: 16-bit, 122.88 Msps direct sampling ADC delivers high dynamic range and ultra-low phase noise. This architecture enables superior signal clarity and eliminates the need for traditional analog conversion stages.
Dual Independent Receivers with Full Duplex:Operate two independent receivers simultaneously on any band and mode, with full duplex cross-band capability. Each receiver supports up to 7 MHz of real-time spectrum and waterfall display, ideal for contesting, DXing, and digital modes.
Integrated Remote Operation with SmartLink:SmartLink allows seamless remote access from any SmartSDR-compatible client—Windows, Mac, iOS, Maestro—using only a login and password. No complex setup or VPN is required, enabling operation from virtually anywhere.

DX Engineering is an exclusive distributor of FLEX-8000 and Aurora Series transceivers in the U.S., having joined FlexRadio’s network of international distribution partners in 2025.

Find all the FlexRadio 8400 options at DXEngineering.

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