ScaleRF QuadRF

▲ DOCUMENTED QUIRKS
Site Score
4.1 / 5.0
Buyer Guidance: An exceptional handheld phased-array SDR platform for RF engineers and advanced researchers who require self-contained beamforming capabilities and can accommodate early-stage software interfaces.
Mizex Audit Breakdown
Engineering & Core Performance (30%) 4.4 / 5.0
Build Quality & Physical Design (20%) 4.0 / 5.0
Thermal, Power & Acoustics (20%) 3.9 / 5.0
Reliability & Stability (20%) 4.1 / 5.0
Buyer Value (10%) 4.1 / 5.0
Score Rationale
The composite score of 4.1 reflects pioneering Engineering & Architecture (4.4) centered around a 4-element phased-array SDR tile with picosecond-level FPGA timing synchronization paired with a Raspberry Pi 5 compute engine. Build quality (4.0) delivers a functional modular stack integrating the RF front-end and digital processing modules. Thermal and acoustic management (3.9) relies on passive and active cooling typical of embedded SBC platforms, with formal thermal dissipation profiling pending comprehensive bench instrumentation. Real-world reliability (4.1) benefits from solid-state RF componentry and standard Linux computing, offset slightly by unrefined early VNC software workflows. Buyer value (4.1) remains compelling by delivering accessible multi-channel phased-array beamforming and RF research tools on an open, extensible architecture.
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Overview

The ScaleRF QuadRF represents an innovative leap in accessible software-defined radio instrumentation, combining a 4-element beamforming phased-array SDR tile with an onboard Raspberry Pi 5 host platform. At its core, a dedicated FPGA board delivers high-speed signal processing with picosecond-level timing precision across the 4.9 GHz to 6.0 GHz spectrum. This fine-grained timing synchronization unlocks advanced multi-channel spatial filtering, real-time RF environment mapping, through-wall Wi-Fi analysis, and drone tracking capabilities on a handheld, self-contained instrument.

Physically, the assembly employs a stacked modular architecture uniting the antenna array, RF front-end, FPGA synchronization sub-assembly, and single-board computer. Thermal dissipation and operational acoustics are governed by the embedded Raspberry Pi 5 platform, with full laboratory thermal metrics pending retail bench characterization. Connectivity is streamlined through an integrated standalone Wi-Fi hotspot providing direct browser-based VNC access to GNU Radio workflows and custom augmented reality visualization tools, though early software releases exhibit an unpolished user experience that necessitates further software maturation.

Technical Specifications

Architecture 4-element beamforming phased-array SDR tile
Host Platform Raspberry Pi 5
Timing Processing FPGA board with picosecond-level timing synchronization
Frequency Range 4.9 GHz - 6.0 GHz
Beamforming Capabilities Advanced signal processing and RF spatial beamforming
Connectivity Integrated standalone Wi-Fi hotspot
Software Interface Browser-based VNC session (http://quadrf/)
Supported Ecosystem GNU Radio, standard SDR packages, custom AR RF visualizer
✔ Pros
  • Handheld 4-element phased array with picosecond-level FPGA timing control
  • Enables advanced beamforming, RF environment visualization, through-wall analysis, and drone tracking
  • Self-contained processing via integrated Raspberry Pi 5 with standalone Wi-Fi hotspot access
  • Broad software support including GNU Radio and custom augmented reality RF visualization
✖ Cons
  • Frequency coverage restricted exclusively to the 4.9 GHz to 6.0 GHz band
  • Browser-based VNC user interface is unpolished in early software releases
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Primary Sources & Audited Citations

Where To Buy

Official Store (ScaleRF)
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