The TechForum Cross Reference category is for parts that Digi-Key does not sell or parts that have gone obsolete. Our Engineers and Techs have reviewed the specifications for these parts and made a recommendation for a replacement. Please review the suggested part to ensure it will work for your application.
The A5839H (627-1126-1-ND) is becoming a non-stock product for us, as such if you cannot accept the manufacturer lead time, a replacement will be needed.
While I unfortunately did not find a drop-in replacement, there are several other surface mount antennae that may work as alternatives, providing you can accept a different footprint: https://www.digikey.com/short/vff40zc3