... 2, ITU-T G.992.1 Annex A, B (G.dmt), ITU-T G.992.2 Annex A ... , B (G.lite), ITU-T G.994.1 (G.hs ... upstream ADSL2 ITU-T G.992.3 Annex A, B, L, M (G.dmt.bis), ITU-T G.992.4 Annex ... A, B, L, M (G.lite.bis) Maximum Rate: 12 Mbps for downstream ... upstream ADSL2+ ITU-T G.992.5 Annex A, B, M Maximum Rate: 24 Mbps for downstream and 3 Mbps upstreamWireless ...