Please order legacy version BT840 (nRF52840 QIAA D0) from Mouser or Digikey.

Fanstel stocks approtect version BT840-p (nRF52840 QIAA F0 or newer) for design-ins.

Both BT840 and BT840-p are available with 1000 pcs MOQ, 10 weeks normal production lead time.