All CarPlay is is sending video and audio (like a Moonlight stream) over USB Ethernet. It should be a recognized standard at this point so that you can have a custom device plug in to your car, and have your own UI. But regulations (think watching YouTube while you drive) unfortunately prevent this
Annoying how it doesn't disable the cell modem from registering to a network (in Canada). So no it doesn't provide any tracking protection. Or at least that is how it sounds.
I believe WOL brings it down to 10Mbit - at which point it'll process any received packets use a low power processor. Packets wouldn't be routed to it unless specifically addressed
I was really impressed that a ESP32 Antenna Array Can essentially make a WiFi camera - it uses both time and phase differences to localize based on MAC addresses (which are sent plaintext) https://www.youtube.com/watch?v=sXwDrcd1t-E
Yggdrasil network is probably the future. At Hoppy Network we're about to release private yggdrasil relays as a service so you don't get spammed with "WAN" traffic. With Yggdrasil, IP addresses aren't allocated by an authority - they are owned and proven by public key cryptography.
hoppy.network