Nrf52840 long Grange model
adv_ params.primary_ phy = BLE_ GAP_ PHY_ CODED;
adv_ params.secondary_ phy = BLE_ GAP_ PHY_ CODED;
adv_ params.properties.type = BLE_ GAP_ ADV_ TYPE_ EXTENDED_ CONNECTABLE_ NONSCANNABLE_ UNDIRECTED;
How can I set the speed to 500K or 125k, the default 1m???