On my Galaxy s5

There's my Cell signal (2 bars), there's my Mobile Data (4G LTE).

But what is that strange symbol on top of the bars, I've never seen it before (I don't see it on my other phone or other devices)

enter image description here

There is this symbol that looks like a home with a signal, I'm wondering what it is?

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    @xavier_fakerat I have to LOL a bit, you linked a dupe that is also marked a dupe :) – user202027 Dec 29 '17 at 19:19
  • @Six Aww really, my bad – xavier_fakerat Dec 29 '17 at 19:22
  • @xavier_fakerat well, he who writes a dupe gets served another. Should we make that a rule? #D – Izzy Dec 29 '17 at 20:06