(spectrum.ieee.org)

137 points transpute | 1 comments | 29 Jun 25 21:48 UTC | HN request time: 0.205s | source

Show context

ImPostingOnHN ◴[29 Jun 25 22:20 UTC] No.44417068[source]▶

I spoke with a startup that is using 5G cell towers as radar. They said it is high-enough resolution to perform gait recognition.

replies(7): >>44417188 #>>44417222 #>>44417288 #>>44417328 #>>44417928 #>>44418498 #>>44422604 #

supportengineer ◴[30 Jun 25 00:24 UTC] No.44417928[source]▶

>>44417068 #

I seem to recall reading (on HN, no less) that advanced passive radar technology is classified as munitions, by the US Government and is under export controls?

replies(2): >>44418122 #>>44418439 #

1. charcircuit ◴[30 Jun 25 01:56 UTC] No.44418439[source]▶

>>44417928 #

You are probably thinking of this thread:

https://news.ycombinator.com/item?id=33581696

↑

Cell Towers Can Double as Cheap Radar Systems for Ports and Harbors (2014)