![]() It solves problems like interference with satellites and radar using the same 5 GHz frequency band. It was originally designed to address European regulations but is now applicable in many other countries. Here is what it changes: Wireless Physical InterfaceĪvailable Interfaces: athX (0, 1, 2 etc, varies by router as many routers have 2 or more radios in them) The standard provides Dynamic Frequency Selection (DFS) and transmit Power Control (TPC) to the IEEE 802.11a MAC. If you have a dual band router ath1 will be displayed below ath0 with the same available settings. Ath0 is the 2.4GHz radio and ath1 is the 5GHz radio for most routers, for some like the TL-WDR4900 v1.3, ath0 is 5GHz & ath1 is 2.4GHz its just the way the radios are connected on the PCB & is normal. If you create a VAP for 2.4GHz or 5GHz radio the VAPs will be labelled athX.1 & athX.1 respectively where X = the interface's number. ![]()
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December 2022
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