Regarding the advantages of ray tracing models, which of the following statements is incorrect?

Regarding the advantages of ray tracing models, which of the following statements is incorrect?
A . Level prediction accuracy is higher
B . Massive MIMO can be modeled more accurately
C . More accurate electromagnetic wave propagation path search and reflection and diffraction energy calculation
D . It can only be used for C wave and cannot be used for room meter wave.

Answer: D