Configuration Guide Configuring FAT APs
An AP uses different quantities of antennas for data transmitting. In this way, the AP can transmit signals in the double
spatial stream mode or three spatial stream mode over 802.11n, thus improving the data transmission performance of
the AP.
antenna transmit chain-mask
chain-mask: indicates the antenna mask, ranging from 1 to 7.
The quantity of antennas and the default antenna mask vary with product models.
dot11radio interface configuration mode
Enabling an External Antenna
Optional.
If there are no special requirements, you can perform this configuration in the dot11radio interface configuration mode
of the AP equipment.
Under the same transmission power, an external antenna provides a longer distance of transmission than an internal
antenna.
Internal antennas are enabled and external antennas are disabled.
dot11radio interface configuration mode
Configuring the Allowable Longest Distance Between an AP and a Wireless Transmission Peer
Optional.
If there are no special requirements, you can perform this configuration in the dot11radio interface configuration mode
of the AP equipment.
Adjust the timeout duration according to the distance between the RF interface of the AP and the wireless transmission
peer; otherwise, wireless data transmission cannot be performed. However, the timeout duration cannot be excessively
long; otherwise, the excessive timeout duration may cause air interface resource waste when the AP does not receive
ACK or CTS frames.
val: indicates the longest distance allowed by an AP, ranging from 1000 to 25000 m.
dot11radio interface configuration mode
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