A phased array antenna can be used for both communication or sensing across a wide range of frequencies. Beamforming allows them to focus their energy on small areas. This leads to unexpected combinations like:

- WiFi can see things in your house

- 5G towers can produce realtime 3d terrain maps

- radar can be used for high bandwidth communication

And we can speculate even weirder things like:

- 5G can connect to your WiFi

- 5G can be radar

- 5G can see the weather

- 5G can *influence* the weather

- radar can pretend to be a 5G tower

- radar can hack targets

- radar can connect to your WiFi

It's all one big electromagnetic party out there

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