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by transpute 997 days ago
> FPGA/SDR boards

Custom firmware is available for existing WiFi radios, e.g. sub-$20 ESP32 WROOM.

Previous HN discussion: https://news.ycombinator.com/item?id=34480760
1 comments
est 997 days ago
Thus "Your wifi" can not see you unless you setup ESP32 as router and allows remote ROM updates.
link
transpute 997 days ago
A nearby adversary can "see" into your home/building without any access to your router's software or hardware.

A nearby adversary needs only the reflections of Wi-Fi from your or neighboring routers.

link