Which UE category supports 64 QAM on the uplink?

Which UE category supports 64 QAM on the uplink? Correct Answer Only category 5

Category information is used to allow the eNB to communicate effectively with all the UEs connected to it. The UE-category defines a combined uplink and downlink capability. Only UE category 5 supports 64 QAM on the uplink.

Related Questions

Statement (I): M-ary PSK can be used to transit digital data over a non-linear bandpass channel, whereas M-ary QAM requires the use of a linear channel. Statement (II): M-ary PSK and M-ary QAM are examples of non-linear modulation.
In which repeaters uplink is decoupled from the downlink?