I asked ChatGPT 4.0 what LMR meant as applied to coaxial cable. It gave me an excellent response, including that LMR is a trademark of Times Microwave Systems.
I rarely use search engines anymore. I'll bet the same is true for many people.
I rarely use search engines anymore. I'll bet the same is true for many people.
In fact when I used regular Google, the results are good enough for me to deduce that on my own.
So I consider GP's search skills inadequate. I mean it's not exactly wrong to desire a tool that handholds you and feeds you the answer; but if you are willing to do a little bit of deduction Google is fine.
I would assume the best actual source is the USPTO trademark registration database, which has this entry: https://tmsearch.uspto.gov/bin/showfield?f=doc&state=4805:pw...
It appears to indeed mean nothing, but of course, it took me a whole two minutes or so to find an actually authoritative source. Everyone knows no real user will ever do that and just wants a search engine or chatbot to dictate reality to them.