# VDSL Profiles

VDSL2 supports 8 distinct “profiles” with varying maximum downstream and upstream throughput as well as different bandwidth frequencies and transceiver power.


^ Profile ^ Bandwidth ^ Channels ^ Channel Size ^ Max. Downstream Speed ^ Max. Upstream Speed ^ Downstream Power ^ Upstream Power ^
| 8a | 8,832 kHz | 2,048 | 4.3125 kHz | 50 Mbps | NA | +17.5 dBm | +14.5 dBm |
| 8b | 8,832 kHz | 2,048 | 4.3125 kHz | 50 Mbps | NA | +20.5 dBm | +14.5 dBm |
| 8c | 8,832 kHz | 2,048 | 4.3125 kHz | 50 Mbps | NA | +11.5 dBm | +14.5 dBm |
| 8d | 8,832 kHz | 2,048 | 4.3125 kHz | 50 Mbps | NA | +14.5 dBm | +14.5 dBm |
| 12a | 12,000 kHz | 2,783 | 4.3125 kHz | 68 Mbps | NA | +14.5 dBm | +14.5 dBm |
| 12b | 12,000 kHz | 2,783 | 4.3125 kHz | 68 Mbps | NA | +14.5 dBm | +14.5 dBm |
| 17a | 17,664 kHz | 4,096 | 4.3125 kHz | 100 Mbps | 50 Mbps | +14.5 dBm | +14.5 dBm |
| 30a | 30,000 kHz | 3,479 | 8.625 kHz | 200 Mbps | 100 Mbps | +14.5 dBm | +14.5 dBm |