QuadRF can spot drones and see WiFi through my wall

QuadRF可以探测无人机并透过墙壁看到WiFi

HN Points: 249 / 90 comments | Author: speckx | HN Discussion: item?id=48861717 | Source: www.jeffgeerling.com

Original Article

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.

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