Not sure I understand this statement. If you are intending to send IR commands between two devices, they obviously some form of IR sender and receiver device is needed? If you are saying that you don't want to build a sender and receiver from scratch, then there are ready made modules available. If you are saying that you don't want to have to program an IR decoder, then there are also IR libraries such as the Arduino IRremote library available that should make it easier to program sending codes between devices.