BEC 8920AC User Manual page 90

Configuring Your Router
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Wireless 5G(wl0) & 2.4G(wl1) – Advanced for 2.4G Wireless
WMM (Wi-Fi Multimedia): you can choose to enable or disable this function which allows for priority
of certain data over wireless network.
WMM No Acknowledgement: Refers to the acknowledge policy at the MAC level. Enabling WMM No
Acknowledgement can result in more efficient throughput but higher error rates in noisy Radio
Frequency (RF) environment.
WMM APSD: Automatic Power Save Delivery. Enable this to save power.
Beamforming Transmission (BFR) / Beamforming Reception (BFE): Enable to increase wireless
speed by focusing and concentrating transmitted (send) and/or receive signals with a wireless client
instead of broadcast signals in all directions.
Note: Both router and client wireless must support beamforming
technology.
BEC 8920AC User Manual