Must be some kind of dome with slider mechanism.
That's the feeling I got, too. As you know, though—back before anyone could order whatever they wanted from Taiwan—the Eastern Bloc saw a fair amount of "let's reinvent the wheel, Comrade" IT development, so one could never be sure.
The seller also refers to the board as "mechanical", though we all know from experience that's no guarantee.
The keycaps could be alps compatible.
Looks that way, doesn't it?
It can't likely be anything but a rubber dome with slider, considering how little space there is left inside that housing.
It is also probably (but not always) domes when the housings are integrated with the bottom... There are many rubber dome with Alps-slider designs. Many times where the keycaps are compatible with Alps switches, the stabilisers are not compatible with either Alps or Costar-stabilisers.
Dang—and it was such an appealing idea, transferring a button set from an Alps boards to this RD one. :?)
