0-RTMASPMDX5E Phoenix DX5e Adapter <p><font color="00ff66" size="2" face="Arial, Helvetica, sans-serif">This adapter is for use with the earlier versions of the Spektrum DX5e transmitter that featured a trainer jack located on the left-hand side of the radio. The newest version of the DX5e that features a trainer jack on the back of the radio does not need this adapter. </font></p>