Sony RX1 - wireless shutter trigger?

[Armanius]

RX1/RX1r owners -- other than using the timer delay functions, is it possible to trigger the shutter in a cable-less or wireless manner? Thanks!

 

[BobA]

I'm interested in responses to this question also. I have a trip to Europe planned shortly and I intend taking lots of self portraits. Timer releases are difficult compared to instant shots. I think a wireless receiver would need to be attached somehow? Probably not possible hence to responses.