like this?

http://www.digitalmediastore.co.uk/accessories/remote_controls/panasonic/Panasonic-DMWRS1-compatible-100m-RF-Wireless-remote-controller__JJC-WR100D-D

The JJC WR-100 is a dual function remote control which can operate as a 1 metre corded release or a 100 metre wireless RF remote release