HP 836307-DD1 keyboard is a notebook keyboard spare part with the Iceland country code. HP identifies the 836307-xx1 series as the no-backlight keyboard option, and maps -DD1 to Iceland.
The part is listed in HP’s service guide for the EliteBook 840r G4. The guide treats the keyboard as a replaceable notebook component and documents its removal and installation. This makes the part relevant for servicing that computer with the matching Iceland-coded keyboard variant.