Asus USB-N53 (802.11n USB WiFi Adapter, Dual Band 2.4GHz 300Mbps/5GHz 300Mbps)
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Review of Linux Compatibility
The Asus USB-N53 is a USB WiFi stick which support IEEE 802.11n. The stick has the USB ID 0b05:179d:
Bus 001 Device 006: ID 0b05:179d ASUSTek Computer, Inc. USB-N53 802.11abgn Network Adapter [Ralink RT3572]
and bases on the Ralink RT3572 chipset. The USB-N53 is supported under Linux since at least kernel version 3.1.1. The stick uses the kernel module rt2800usb as a driver. The kernel module has to be compiled with the option
"rt2800usb - Include support for unknown (USB) devices (RT2800USB_UNKNOWN)"
which might vary from distribution to distribution. If compiled with this option the driver will be initialized automatically:
usb 5-6: new high-speed USB device number 13 using ehci_hcd usb 5-6: New USB device found, idVendor=0b05, idProduct=179d usb 5-6: New USB device strings: Mfr=1, Product=2, SerialNumber=3 usb 5-6: Product: 802.11 n WLAN usb 5-6: Manufacturer: Ralink usb 5-6: SerialNumber: 1.0 usb 5-6: reset high-speed USB device number 13 using ehci_hcd ieee80211 phy6: Selected rate control algorithm 'minstrel_ht' Registered led device: rt2800usb-phy6::radio Registered led device: rt2800usb-phy6::assoc Registered led device: rt2800usb-phy6::quality
The power management of the module might cause the WiFi connection to break after some time automatically. In such a case the energy saving mode of the module has to be deactivated. This can be set in the file /etc/network/interfaces by adding the option
post-up iwconfig wlan0 power off
Alternatively the stick can be used with drivers that are provided by Ralinktech. However, these drivers have to be compiled by hand, and in additiona need to be patched. The necessary steps are described at askubuntu.com.