importantSYS.SOURCE: Jeff Geerling Blog• 2026-07-10T15:59:53Z

QuadRF: Phased-Array Radio for Drone Detection and WiFi Signal Analysis Through Walls

#SDR#Raspberry Pi#WiFi Detection#Phased-Array Antenna#Open-Source Hardware

QuadRF is a phased-array radio system using a Raspberry Pi 5 and FPGA for advanced signal processing, capable of detecting drones and visualizing WiFi signals through walls. It leverages MIPI interfaces for high-speed SDR streaming and demonstrates open-source hardware's potential for sophisticated RF applications.

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