Visualize radio signals with Raspberry Pi 5-based QuadRF 4×4 MIMO software-defined radio tile (Crowdfunding)

QuadRF is a 4x4 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