Comment by est
14 hours ago
I wonder if there's a chip that gathers time from LTE and GPS signals and time only.
No complete protocol or handshake, just grab some close-enough time.
14 hours ago
I wonder if there's a chip that gathers time from LTE and GPS signals and time only.
No complete protocol or handshake, just grab some close-enough time.
This is discussed here [0]. It is possible and there are a couple of options but there are some catches: LTE is UTC only, GNSS requires much power.
[0] https://www.eevblog.com/forum/chat/cheapest-way-to-get-datet...