$ dmesg
[338283.992800] usb 1-1.1: new high-speed USB device number 11 using ehci_hcd
[338284.102160] usb 1-1.1: New USB device found, idVendor=148f, idProduct=3070
[338284.102165] usb 1-1.1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[338284.102168] usb 1-1.1: Product: 802.11 n WLAN
[338284.102171] usb 1-1.1: Manufacturer: Ralink
[338284.102173] usb 1-1.1: SerialNumber: 1.0
[338284.122269] Compat-wireless backport release: compat-wireless-v3.6.8-1
[338284.122273] Backport based on linux-stable.git v3.6.8
[338284.122274] compat.git: linux-stable.git
[338284.124318] cfg80211: Calling CRDA to update world regulatory domain
[338284.129011] rt2x00lib: disagrees about version of symbol ieee80211_register_hw
[338284.129016] rt2x00lib: Unknown symbol ieee80211_register_hw (err -22)
[338284.129022] rt2x00lib: disagrees about version of symbol ieee80211_get_hdrlen_from_skb
[338284.129024] rt2x00lib: Unknown symbol ieee80211_get_hdrlen_from_skb (err -22)
[338284.129031] rt2x00lib: disagrees about version of symbol ieee80211_wake_queue
[338284.129033] rt2x00lib: Unknown symbol ieee80211_wake_queue (err -22)
[338284.129039] rt2x00lib: disagrees about version of symbol ieee80211_get_buffered_bc
[338284.129041] rt2x00lib: Unknown symbol ieee80211_get_buffered_bc (err -22)
[338284.129048] rt2x00lib: disagrees about version of symbol wiphy_rfkill_set_hw_state
[338284.129050] rt2x00lib: Unknown symbol wiphy_rfkill_set_hw_state (err -22)
[338284.129060] rt2x00lib: disagrees about version of symbol ieee80211_queue_delayed_work
[338284.129061] rt2x00lib: Unknown symbol ieee80211_queue_delayed_work (err -22)
[338284.129065] rt2x00lib: disagrees about version of symbol wiphy_rfkill_stop_polling
[338284.129066] rt2x00lib: Unknown symbol wiphy_rfkill_stop_polling (err -22)
[338284.129069] rt2x00lib: disagrees about version of symbol ieee80211_ctstoself_get
[338284.129071] rt2x00lib: Unknown symbol ieee80211_ctstoself_get (err -22)
[338284.129081] rt2x00lib: disagrees about version of symbol ieee80211_rx
[338284.129083] rt2x00lib: Unknown symbol ieee80211_rx (err -22)
[338284.129088] rt2x00lib: disagrees about version of symbol ieee80211_iterate_active_interfaces
[338284.129090] rt2x00lib: Unknown symbol ieee80211_iterate_active_interfaces (err -22)
[338284.129093] rt2x00lib: disagrees about version of symbol ieee80211_free_txskb
[338284.129095] rt2x00lib: Unknown symbol ieee80211_free_txskb (err -22)
[338284.129102] rt2x00lib: disagrees about version of symbol ieee80211_tx_status
[338284.129104] rt2x00lib: Unknown symbol ieee80211_tx_status (err -22)
[338284.129107] rt2x00lib: disagrees about version of symbol ieee80211_stop_queue
[338284.129109] rt2x00lib: Unknown symbol ieee80211_stop_queue (err -22)
[338284.129112] rt2x00lib: disagrees about version of symbol ieee80211_stop_queues
[338284.129114] rt2x00lib: Unknown symbol ieee80211_stop_queues (err -22)
[338284.129119] rt2x00lib: disagrees about version of symbol wiphy_rfkill_start_polling
[338284.129121] rt2x00lib: Unknown symbol wiphy_rfkill_start_polling (err -22)
[338284.129124] rt2x00lib: disagrees about version of symbol ieee80211_iterate_active_interfaces_atomic
[338284.129126] rt2x00lib: Unknown symbol ieee80211_iterate_active_interfaces_atomic (err -22)
[338284.129134] rt2x00lib: disagrees about version of symbol ieee80211_channel_to_frequency
[338284.129136] rt2x00lib: Unknown symbol ieee80211_channel_to_frequency (err -22)
[338284.129139] rt2x00lib: disagrees about version of symbol ieee80211_unregister_hw
[338284.129140] rt2x00lib: Unknown symbol ieee80211_unregister_hw (err -22)
[338284.129146] rt2x00lib: disagrees about version of symbol ieee80211_beacon_get_tim
[338284.129148] rt2x00lib: Unknown symbol ieee80211_beacon_get_tim (err -22)
[338284.129150] rt2x00lib: disagrees about version of symbol ieee80211_rts_get
[338284.129152] rt2x00lib: Unknown symbol ieee80211_rts_get (err -22)
[338284.129159] rt2x00lib: disagrees about version of symbol ieee80211_queue_work
[338284.129161] rt2x00lib: Unknown symbol ieee80211_queue_work (err -22)
[338284.130166] cfg80211: World regulatory domain updated:
[338284.130170] cfg80211: (start_freq - end_freq @ bandwidth), (max_antenna_gain, max_eirp)
[338284.130173] cfg80211: (2402000 KHz - 2472000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
[338284.130175] cfg80211: (2457000 KHz - 2482000 KHz @ 20000 KHz), (300 mBi, 2000 mBm)
[338284.130177] cfg80211: (2474000 KHz - 2494000 KHz @ 20000 KHz), (300 mBi, 2000 mBm)
[338284.130179] cfg80211: (5170000 KHz - 5250000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
[338284.130180] cfg80211: (5735000 KHz - 5835000 KHz @ 40000 KHz), (300 mBi, 2000 mBm)
$
$ lsusb
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 012: ID 148f:3070 Ralink Technology, Corp. RT2870/RT3070 Wireless Adapter
$