HP 836307-211 keyboard is a Hungarian-layout replacement keyboard for compatible EliteBook notebooks. HP identifies this part number within its keyboard spare-parts list, with the -211 suffix assigned to Hungary.
This is the non-backlit version. HP lists it separately from backlit keyboard variants, so it is suited to replacing the corresponding keyboard configuration. The service guide includes removal and installation procedures for EliteBook 840 G4 and 848 G4 notebook PCs. The exact keyboard part number is 836307-211.