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D-Link DWL-G122 rev C1

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D-Link DWL-G122 C1

Manuf/OEM/ODM Alpha Networks WUS-G07

FCC approval date: 27 October 2005

Interface: USB

USB 2.0
Connector: Male A
Form factor tags: dongle

ID: 07d1:3c03
Windows: USB\VID_07D1&PID_3C03

FCC ID: KA2WLG122C1

WI1 chip1: Ralink RT2571W

WI1 chip2: Ralink RT2528

Windows driver
possibly see MediaTek's website
older Ralink drivers have been removed.
see the Wayback Machine
for some older driver sets (filter by EXE/ZIP)

Antenna connector: none

bg

OUI: 00:17:9A (12 E, 13 W, 2005), 00:19:5B (10 E, 24 W, 2005), 00:1B:11 (8 E, 16 W, 2006)

For a list of all currently documented Ralink chipsets with specifications, see Ralink.



High Speed 2.4GHz (802.11g) Wireless USB Adapter
 • Support page

"8WUSG07..2A1G" is silkscreened on the board in the FCC photos.

dmesg (Ubuntu 14.04.3, kernel 3.19)
[77.633321] usb 2-1.2: new high-speed USB device number 5 using ehci-pci
[77.865460] usb 2-1.2: New USB device found, idVendor=07d1, idProduct=3c03
[77.865471] usb 2-1.2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[77.865476] usb 2-1.2: Product: 802.11 bg WLAN
[77.865481] usb 2-1.2: Manufacturer: Ralink
[77.941168] usb 2-1.2: reset high-speed USB device number 5 using ehci-pci
[78.363891] ieee80211 phy2: rt2x00_set_chip: Info - Chipset detected - rt: 2573, rf: 0002, rev: 000a
[78.365284] ieee80211 phy2: Selected rate control algorithm 'minstrel_ht'
[78.429987] ieee80211 phy2: rt2x00lib_request_firmware: Info - Loading firmware file 'rt73.bin'
[78.430035] ieee80211 phy2: rt2x00lib_request_firmware: Info - Firmware detected - version: 1.7
lsusb -d 07d1:3c03 -vv (Ubuntu 14.04.3, kernel 3.19)
Bus 002 Device 005: ID 07d1:3c03 D-Link System AirPlus G DWL-G122 Wireless Adapter(rev.C1) [Ralink RT2571W]
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass            0 (Defined at Interface level)
  bDeviceSubClass         0 
  bDeviceProtocol         0 
  bMaxPacketSize0        64
  idVendor           0x07d1 D-Link System
  idProduct          0x3c03 AirPlus G DWL-G122 Wireless Adapter(rev.C1) [Ralink RT2571W]
  bcdDevice            0.01
  iManufacturer           1 Ralink
  iProduct                2 802.11 bg WLAN
  iSerial                 0 
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           32
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0 
    bmAttributes         0x80
      (Bus Powered)
    MaxPower              300mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           2
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass    255 Vendor Specific Subclass
      bInterfaceProtocol    255 Vendor Specific Protocol
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0200  1x 512 bytes
        bInterval               0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x01  EP 1 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0200  1x 512 bytes
        bInterval               0
Device Qualifier (for other device speed):
  bLength                10
  bDescriptorType         6
  bcdUSB               2.00
  bDeviceClass            0 (Defined at Interface level)
  bDeviceSubClass         0 
  bDeviceProtocol         0 
  bMaxPacketSize0        64
  bNumConfigurations      1
Device Status:     0x0000
  (Bus Powered)
iw list (Ubuntu 14.04.3, kernel 3.19)
Wiphy phy2
	Band 1:
		Frequencies:
			* 2412 MHz [1] (20.0 dBm)
			* 2417 MHz [2] (20.0 dBm)
			* 2422 MHz [3] (20.0 dBm)
			* 2427 MHz [4] (20.0 dBm)
			* 2432 MHz [5] (20.0 dBm)
			* 2437 MHz [6] (20.0 dBm)
			* 2442 MHz [7] (20.0 dBm)
			* 2447 MHz [8] (20.0 dBm)
			* 2452 MHz [9] (20.0 dBm)
			* 2457 MHz [10] (20.0 dBm)
			* 2462 MHz [11] (20.0 dBm)
			* 2467 MHz [12] (20.0 dBm) (passive scanning, no IBSS)
			* 2472 MHz [13] (20.0 dBm) (passive scanning, no IBSS)
			* 2484 MHz [14] (20.0 dBm) (passive scanning, no IBSS)
		Bitrates (non-HT):
			* 1.0 Mbps
			* 2.0 Mbps (short preamble supported)
			* 5.5 Mbps (short preamble supported)
			* 11.0 Mbps (short preamble supported)
			* 6.0 Mbps
			* 9.0 Mbps
			* 12.0 Mbps
			* 18.0 Mbps
			* 24.0 Mbps
			* 36.0 Mbps
			* 48.0 Mbps
			* 54.0 Mbps
	max # scan SSIDs: 4
	max scan IEs length: 2285 bytes
	Coverage class: 0 (up to 0m)
	Supported Ciphers:
		* WEP40 (00-0f-ac:1)
		* WEP104 (00-0f-ac:5)
		* TKIP (00-0f-ac:2)
		* CCMP (00-0f-ac:4)
	Available Antennas: TX 0 RX 0
	Supported interface modes:
		 * IBSS
		 * managed
		 * AP
		 * AP/VLAN
		 * WDS
		 * monitor
		 * mesh point
	software interface modes (can always be added):
		 * AP/VLAN
		 * monitor
	valid interface combinations:
		 * #{ AP, mesh point } <= 4,
		   total <= 4, #channels <= 1
	Supported commands:
		 * new_interface
		 * set_interface
		 * new_key
		 * new_beacon
		 * new_station
		 * new_mpath
		 * set_mesh_params
		 * set_bss
		 * authenticate
		 * associate
		 * deauthenticate
		 * disassociate
		 * join_ibss
		 * join_mesh
		 * set_tx_bitrate_mask
		 * action
		 * frame_wait_cancel
		 * set_wiphy_netns
		 * set_channel
		 * set_wds_peer
		 * Unknown command (84)
		 * Unknown command (87)
		 * Unknown command (85)
		 * Unknown command (89)
		 * Unknown command (92)
		 * connect
		 * disconnect
	Supported TX frame types:
		 * IBSS: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
		 * managed: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
		 * AP: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
		 * AP/VLAN: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
		 * mesh point: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
		 * P2P-client: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
		 * P2P-GO: 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
		 * Unknown mode (10): 0x00 0x10 0x20 0x30 0x40 0x50 0x60 0x70 0x80 0x90 0xa0 0xb0 0xc0 0xd0 0xe0 0xf0
	Supported RX frame types:
		 * IBSS: 0x40 0xb0 0xc0 0xd0
		 * managed: 0x40 0xd0
		 * AP: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0
		 * AP/VLAN: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0
		 * mesh point: 0xb0 0xc0 0xd0
		 * P2P-client: 0x40 0xd0
		 * P2P-GO: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0
		 * Unknown mode (10): 0x40 0xd0
	Device supports RSN-IBSS.
	HT Capability overrides:
		 * MCS: ff ff ff ff ff ff ff ff ff ff
		 * maximum A-MSDU length
		 * supported channel width
		 * short GI for 40 MHz
		 * max A-MPDU length exponent
		 * min MPDU start spacing
	Device supports TX status socket option.
	Device supports HT-IBSS.