RIGOL DG5000 Series - Manual (Page 109)

Chapter 5 IQ Modulation Output RIGOL
User’s Guide for DG5000 5-11
4. 32QAM (32-Quadrature Amplitude Modulation)
5. 64QAM (64-Quadrature Amplitude Modulation)
6. BPSK (Binary Phase Shift Keying)