Spektrum SPMR7000 DX7 7 Channel Transmitter Only Mode 2 This is the Spektrum DX7 7 CH mode 2 transmitter only. You dont have to give up pro-class features just because you only need seven channels. The Spektrum DX7 system gives you programming for three model types, 250-model memory, voice alerts, a wireless trainer link and more. The DX7 comes with an impressive list of programming features that rivals that of much more expensive transmitters. Programming Features: