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  "path": "/2026/06/24/visualize-radio-signals-with-raspberry-pi-5-based-quadrf-4x4-mimo-software-defined-radio-tile/",
  "publishedAt": "2026-06-24T04:26:26.000Z",
  "site": "https://www.cnx-software.com",
  "tags": [
    "Broadcom BCMxxxx",
    "Debian",
    "Hardware",
    "Lattice",
    "Video",
    "augmented reality",
    "crowd supply",
    "fpga",
    "open source",
    "Raspberry Pi",
    "sdr",
    "tools",
    "wireless",
    "Visualize radio signals with Raspberry Pi 5-based QuadRF 4×4 MIMO software-defined radio tile (Crowdfunding)",
    "CNX Software - Embedded Systems News"
  ],
  "textContent": "QuadRF is a 4×4 MIMO software-defined radio (SDR) tile powered by a Raspberry Pi 5 SBC that functions as a real-time RF camera, allowing users to visualize radio signals in their environment using a phone or computer running an augmented reality app. QuadRF measures differences in signal arrival time using four coherent antennas and renders a live RF overlay directly on your phone or laptop at 30 FPS, letting you see RF signals from Wi-Fi devices, wireless cameras, smartphones, drones, beacons, and lab transmitters. QuadRF specifications: Compute & Signal Processing Raspberry Pi 5 SBC for onboard computation and control. Lattice ECP5 FPGA (LFE5U-45F-7BG256I) for distributed DSP and beamforming. Analog Devices MAX2850 (Upconvert) & MAX2851 (Downconvert) Mixers. 5.6 Gbit/sec MIPI data path between the RF FPGA and the Pi 5 Direct local processing on Pi 5 or network streaming for external processing. RF & Wireless 4x Rx / 4x Tx full-duplex [...]\n\nThe post Visualize radio signals with Raspberry Pi 5-based QuadRF 4×4 MIMO software-defined radio tile (Crowdfunding) appeared first on CNX Software - Embedded Systems News.",
  "title": "Visualize radio signals with Raspberry Pi 5-based QuadRF 4×4 MIMO software-defined radio tile (Crowdfunding)"
}