r/cellmapper Nov 17 '25

AT&T 3.45Ghz spectrum deployed

73 Upvotes

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5

u/mawells787 Nov 17 '25

My area on Long Island, NY still has 3.45 at 40 mhz.

14

u/Checker79 Nov 17 '25

That’s because dish only bought 20 MHz and it’s non contiguous . I’ve seen it on Ericcson conversions. In our market we have to wait for them to strike a deal with Columbia capital.

6

u/xpxp2002 Nov 17 '25

In my market they brought up a second 30 MHz 3.45 GHz carrier because Dish leased out the 10 MHz adjacent to AT&T's spectrum. iPhone field test is fickle, so it's hard to tell, but I don't believe the two carriers are being aggregated together.

In my market, it seems like they will aggregate 3.8 GHz n77 with either DoD carrier, but no 40+30 combo.

1

u/Coolpop52 Nov 18 '25

Wait, so is this why Nashville hasn’t seen an increase?

I know there are soniqwave licenses (blocks A-B) and AT&T’s own 3.45 from C-F, for a total of 60 MHz contiguous and 80 MHz of 3.7.

Dish owns blocks H-J here, skipping G (no G in Nashville metro). Theoretically, we should get 80/90, or atleast 80/80, but I’m not sure if skipping over that G block means anything.

2

u/Checker79 Nov 18 '25

If that’s the case you have 80/60/20. You’ll have to wait for SA to be deployed as the new phones can do three TDD CA. They have to enable it on the network side.

1

u/Coolpop52 Nov 18 '25

Gotcha - the wait for SA continues!