Channel & Bandwidth 
 
In this part, you can change the basic settings of your wireless network. There are two different 
frequency bands: 2.4GHz and 5GHz. 
1. In the Country|Region list, select your region.   
2.  This  Router  supports  3  network  modes  for  2.4GHz  frequency  band,  and  2  modes  for  5GHz 
frequency band.  To change the mode, select it from the Network Mode list.  The default one is 
optimum. 
For 2.4GHz 
Allows 802.11b, 802.11g, and 802.11n devices to join the network. 
Allows 802.11b and 802.11g devices to join the network. 
Allows 802.11n devices to join the network.