The Federal Communications Commission paused its informal 180-day clock for reviewing T-Mobile US. Inc.’s takeover of Sprint Corp., saying it needs more time to consider information the wireless carriers have provided.
The agency, which started its formal review about 60 days ago, said it is taking more time to review a “significantly larger and more complex” engineering model that the companies had recently submitted and a business model that executives had referenced in a recent meeting with commission staff, according to...