| Microsoft DirectX 9.0 |
Specifies the transmission mode.
| Constant | Value | Description |
| BDA_XMIT_MODE_NOT_SET | -1 | Transmission mode is not set. |
| BDA_XMIT_MODE_NOT_DEFINED | 0 | Transmission mode is not defined. |
| BDA_XMIT_MODE_2K | 1 | Transmission uses 1705 carriers (use a 2K FFT). |
| BDA_XMIT_MODE_8K | 2 | Transmission uses 6817 carriers (use an 8K FFT). |
| BDA_XMIT_MODE_MAX | 3 | Transmission mode at maximum. |