OFDM:Advanced:RU Size
- Updated2025-10-13
- 2 minute(s) read
Specifies the size of the resource unit (RU) or the multiple resource unit (MRU) in terms of number of subcarriers for 802.11ax, 802.11be, and 802.11bn signals.
You must always configure this property for 802.11ax TB PPDU, 802.11be TB PPDU and 802.11bn TB PPDU. For 802.11ax Extended Range SU, MU, and 802.11be MU PPDUs, you must configure this property if the OFDM Header Decoding Enabled property is set to False.
Use "user<n>" as the selector string to configure or read this property for 802.11ax MU PPDU, 802.11ax TB PPDU, 802.11be MU PPDU, 802.11be TB PPDU, 802.11bn MU PPDU, and 802.11bn TB PPDU.
The default value is 26.
Remarks
The following table lists the characteristics of this property.
| Short Name | OFDM RU Size |
| Data type |  |
| Permissions | Read/Write |
| High-level VIs | N/A |
| Resettable | Yes |
| 26 | 26 | The RU size is 26. |
| 52 | 52 | The RU size is 52. |
| 106 | 106 | The RU size is 106. |
| 242 | 242 | The RU size is 242. |
| 484 | 484 | The RU size is 484. |
| 996 | 996 | The RU size is 996. |
| 2x996 | 1992 | The RU size is 2 x 996. |
| 4x996 | 3984 | The RU size is 4 x 996. |
| 52+26 | 78 | The RU size is 52 + 26. |
| 106+26 | 132 | The RU size is 106 + 26. |
| 484+242 | 726 | The RU size is 484 + 242. |
| 996+484 | 1480 | The RU size is 996 + 484. |
| 996+484+242 | 1722 | The RU size is 996 + 484 + 242. |
| 2x996+484 | 2476 | The RU size is 2 x 996 + 484. |
| 3x996 | 2988 | The RU size is 3 x 996. |
| 3x996+484 | 3472 | The RU size is 3 x 996 + 484 |