QuadRF can spot drones and see WiFi through my wall

> QuadRF 能探测无人机并穿墙查看 WiFi

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

> HN 分数：249 / 90 条评论 | 作者：speckx | HN 讨论：item?id=48861717 | 来源：www.jeffgeerling.com

Original Article

> 原文

The QuadRF (pictured above) a phased-array radio built around a Raspberry Pi 5 and an FPGA board with picosecond-level timing.

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