If you have interference on the band - it won't matter the bandwidth setting, as the clients won't increase bandwidth until the congestion is gone.
See more on the bandwidth setting regarding clients: [INFO] 40MHz misconception on ath9k
If you have interference on the band - it won't matter the bandwidth setting, as the clients won't increase bandwidth until the congestion is gone.
See more on the bandwidth setting regarding clients: [INFO] 40MHz misconception on ath9k