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.
