It means that they purposefully did not file with the FCC before presenting this so they would minimize leak opportunities, and did not care as their timeline is sufficiently padded forward that they will do that this month; but they also can't pretend it is already sellable: the FCC technically could say "no" (though it doesn't seem sufficiently crazy different from the iPhone 8 that I would imagine anyone expects any chance of that happening).

Probably hasn't certified by FCC yet [1], for sale. The FCC process has been subject to leaks in the past, so they've probably waited until after main announcement.

Didn't help too much though re: leaks.

1- https://en.wikipedia.org/wiki/FCC_Declaration_of_Conformity

My guess is they didn't want to tell anyone at the FCC about it fearing leaks?

they are promoting it before pasing through FCC certification, maybe they wanted to keep it secret since FCC data is publicly available and that would basically reveal their design and specs

It hasn't been approved by the FCC for sale in the United States.

It hasn't been approved by the FCC for sale.

FTFY FCC has no authority outside US

Yep, its a US-only restriction, hence my qualifier

Basically means that Apple had a hard time getting the final specs worked out so they didn't submit it to the FCC for review until it was too late to have approval ready to go for the announcement.