USB WLAN dongle Ralink 54Mbit from DealExtreme (0x148f:0x3070)

This one does not seem to work very well on Ubuntu 9.10 out of the box. Some extra config may be needed.

USB WLAN dongle Ralink RT2870 DealExtreme 0x148f 0x3070


ifconfig

wlan3     IEEE 802.11bgn  ESSID:""  
Mode:Managed  Frequency:2.412 GHz  Access Point: Not-Associated   
Tx-Power=20 dBm   
Retry  long limit:7   RTS thr:off   Fragment thr:off
Power Management:on
Link Quality:0  Signal level:0  Noise level:0
Rx invalid nwid:0  Rx invalid crypt:0  Rx invalid frag:0
Tx excessive retries:0  Invalid misc:0   Missed beacon:0

dmesg output

[17848.810013] usb 1-6: new high speed USB device using ehci_hcd and address 3
[17848.981104] usb 1-6: configuration #1 chosen from 1 choice
[17849.182542] cfg80211: Calling CRDA to update world regulatory domain
[17849.215519] cfg80211: World regulatory domain updated:
[17849.215522]     (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)
[17849.215525]     (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
[17849.215527]     (2457000 KHz - 2482000 KHz @ 20000 KHz), (300 mBi, 2000 mBm)
[17849.215530]     (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm)
[17849.215532]     (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
[17849.215535]     (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
[17849.333078] phy0: Selected rate control algorithm 'minstrel'
[17849.333857] Registered led device: rt2800usb-phy0::radio
[17849.333873] Registered led device: rt2800usb-phy0::assoc
[17849.333889] Registered led device: rt2800usb-phy0::quality
[17849.334111] usbcore: registered new interface driver rt2800usb
[17849.348344] rt2870sta: module is from the staging directory, the quality is unknown, you have been warned.
[17849.351192] rtusb init --->
[17849.351262] usbcore: registered new interface driver rt2870
[17849.360222] rt3070sta: module is from the staging directory, the quality is unknown, you have been warned.
[17849.362983] rtusb init --->
[17849.362988] Error: Driver 'rt2870' is already registered, aborting...
[17849.362991] usbcore: error -17 registering interface     driver rt2870
[17849.428637] udev: renamed network interface wlan0 to wlan3
[17849.449511] rt2800usb 1-6:1.0: firmware: requesting rt2870.bin
[17849.755172] ADDRCONF(NETDEV_UP): wlan3: link is not ready

 

More info to come...