If by "remote" you mean the infra-red cordless device, I've got an after-market unit labelled "Maxsima" that works fine with all my DSLR's. It's only got one button. With my K-5 it's really useful because that camera has i/r receivers on both the front and back of the camera. The other models have an i/r receiver only on the front of the camera, which I find limiting.
If by "remote" you mean a cable release, my earlier cameras all use the same device, but my K-70 needed a different unit because the remote microphone connector is integrated with the release socket. Might just be worth checking your requirements before buying the wrong item.
There are also "wireless" remote controls that have a unit that plugs into the cable release socket and a remote handset. These, apparently, have a range up to 100m. I've not tried one. They are available on eBay advertised as suitable for the Samsung GX1 and often priced quite low.
Afterthought:
Bear in mind the risk of extraneous light getting in through the viewfinder and affecting your exposure if you're working with your eye away from the viewfinder in bright light. This is where the little black viewfinder blind that probably came with your camera can come in useful
Last edited by kypfer; 05-21-2019 at 12:44 AM.
Reason: Afterthought