[Radios, how do they work? | Hacker News](https://news.ycombinator.com/item?id=39813679)
[Radios, how do they work? - lcamtuf's thing](https://lcamtuf.substack.com/p/radios-how-do-they-work)

[LoRa - Wikipedia](https://en.m.wikipedia.org/wiki/LoRa)

[Homemade 6 GHz pulse compression radar | Hacker News](https://news.ycombinator.com/item?id=39930195)
[Homemade 6 GHz pulse compression radar - Henrik's Blog](https://hforsten.com/homemade-6-ghz-pulse-compression-radar.html)

# Wireless signals

[Introduction to open source private LTE and 5G networks | Hacker News](https://news.ycombinator.com/item?id=27946947)
[Introduction to open source private LTE and 5G networks | Ubuntu](https://ubuntu.com/blog/introduction-to-open-source-private-lte-and-5g-networks)

[Discovering that a Bluetooth car battery monitor is siphoning location data | Hacker News](https://news.ycombinator.com/item?id=36485597)
[BM2 - Part 1 - Discovering that your Bluetooth car battery monitor is siphoning up your location data - doubleagent.net](https://doubleagent.net/2023/05/21/a-car-battery-monitor-tracking-your-location)