https://www.pcgamer.com/battlefield-5-open-beta-pc-dates/

The Battlefield 5 open beta starts on September 6 for most, and earlier on September 4 for those who subscribe to Origin Access or have pre-ordered the game. It'll run until September 11, and includes more than what we saw in the closed alpha, plus a bunch of changes inspired by the past couple test periods.

The Arctic Fjord map from the closed alpha will be joined by Rotterdam, which we saw at Gamescom. Conquest mode will be available on both maps, and on Arctic Fjord, we'll also be able play two 'days' worth of a Grand Operation, Battlefield 5's version of BF1's Operations mode in which teams play multiple matches with different objectives. The Fall of Norway Grand Operation available in the beta will include the Airborne mode, which sees one team deploying in a plane and parachuting to the ground. You can find more on what'll be available in the beta here.