RF transmitters/receivers to turn audio file on Wave Module V1.0 ON/OFF

guys I have bought a wave module V1.0 to play the sound:

http://www.ebay.com/itm/Wave-Sound-Shield-Module-V1-0-Arduino-Compatible-/270941553333?ssPageName=ADME:L:OC:GB:3160

But I can't get it to work, I have no idea how to code it.

What do I need to write if I only want it to play 1 file on a loop????