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Category 5 2.00 Mbit/s 10ms TTI
Category 6 5.76 Mbit/s 2ms TTI
Category 7 (3GPP Rel7) 11.5 Mbit/s QPSK & 16QAM
Category 8 (3GPP Rel9) 11.5 Mbit/s 2 ms, dual cell E-DCH operation, QPSK only; see 3GPP Rel 9 TS 25.306 table 5.1g
Category 9 (3GPP Rel9) 23 Mbit/s 2 ms, dual cell E-DCH operation, QPSK and 16QAM; see 3GPP Rel 9 TS 25.306 table 5.1g