TalkTalk Wi-Fi Hub (Sagemcom FAST 5364)
Guard Interval
There is no option to configure the Guard Interval in the Wi-Fi settings. This is because, the router
negotiates the GI with each device trying to connect to it. This is to give it the best Guard Interval
(Long – 800ns Short 400ns) that the device can support. Do not forget that any theoretical link
speed or data rate quoted in specifications (e.g. 1.73Gbps or 867Mbps) are based on a 400ns GI plus
80MHz channel bandwidth.
Band Steering
The hub supports band steering by default, but it cannot be disabled, or the mode of operation be
changed within the UI currently.
The purpose of this facility is to automatically move any 5GHz capable devices from the 2.4Ghz
band into the 5GHz band. This is designed to reduce the number of clients that need to connect on
the 2.4GHz band. In addition it means that any 5GHz devices are running at their full potential
(other factors & configuration allowing).
If you want to use this facility, the SSIDs of each band must be identical (e.g. both set to “MySSID”
or whatever name you use).
If you want to disabled it, you can, by setting the two SSIDs different. In line with normal
recommendations:-
MySSID
MySSID5G
Note:
if the Wi-Fi mode used by the device is not supported in the 5GHz band at the time it
connects, even if this is later changed, the device will not switch to the 5GHz band until it is
disconnected & reconnected.
For example, if a dual band 802.11n device connects to the router, where the 5GHz band is set to
802.11ac only, then it will remain in the 2.4GHz band. If mixed mode was enabled in the 5GHz
band using say 802.11n & ac, the device will still remain in the 2.4GHz band until disconnected &
subsequently reconnected.
Page 24 of 38 Date: 25/06/2018
