News today about the upcoming merger of T-Mobile and Sprint suggests that the two wireless providers won’t be selling any of their assets ahead of an announcement that could come as early as later this month.

Reuters reports that with the carriers expecting a tough road ahead with regulators, the companies have decided to hold on to their spectrum holdings before making expected concessions in negotiations.

Informal talks about a renewed merger between the two carriers were rumored to have started back in May, while we heard last month that an initial agreement was close at hand.

Today’s report notes that last week some U.S. Justice Department antitrust staff had doubts about this deal, but that a merger can only be reviewed once it has been officially agreed upon and announced.

We could see an announcement later this month or early next month.