Fri Jul 10 20:34:48 2026 (*4cfb807c*):: https://www.jeffgeerling.com/blog/2026/quadrf-can-spot-drones-and-see-wifi-through-my-wall/ *** QuadRF can spot drones and see WiFi through my wall *** The QuadRF (pictured above) a phased-array radio built around a Raspberry Pi 5 and an FPGA board with picosecond-level timing. It does advanced signal processing and beamforming. It can see WiFi through walls and track drones […]