just going off my gut, modems over analog phone lines support around 15% of intra- and inter- plant communications
just going off my gut, modems over analog phone lines support around 15% of intra- and inter- plant communications
there's a big push to go to 4g/LTE for this right now, including private 5gNR low band deployments, because the parts to keep POTS going are becoming scarse
err, 5gIOT (too many acronyms rattling around in here)