Adaptador de rede USB no Debian

Confira nessa matéria os adaptadores que usam chip Ralink e como instalar a firmware em seu Debian.

Adaptador wifi USB

Esses  dispositivos ajudam o leigo na instalação de um adaptador de rede sem a necessidade de abrir o computador ou notebook, além disso existem modelos com maior capacidade de alcance que os internos.

A sua instalação é muito simples, bastando apenas conectar o dispositivo em uma porta USB e usar.

Chip

O problema é quando o sistema operacional não tem a firmware proprietária instalada, uma boa parte desses dispositivos utiliza uma dos chip Ralink abaixo.


RT2070, RT2770, RT2870, RT3070, RT3071, RT3072 devices (rt2870sta), RT2800U[D] e RT3000U[D]

Identificando o dispositivo

Para identificar o seu dispositivo conecte ele em uma porta USB e de o comando abaixo no terminal.

lsusb

Note nesse exemplo o dispositivo é um. ( Imagem de um membro da comunidade).

O adaptador é um "CyberTAN Technology Gigaset USB Adapter 300"

Mas como pode ver a saida do lspci não mostrou o chip do dispositivo, nesse caso busque pelo modelo na lista abaixo, tecle Ctrl + f digite um dos termos do modelo e veja se é encontrado.

Nesse exemplo note que foi encontrado o adaptador na lista pela pesquisa.

USB: 0411:00E8 BUFFALO INC. (formerly MelCo., Inc.) WLI-UC-G300N Wireless LAN Adapter [Ralink RT2870]
USB: 0471:200F Philips (or NXP) 802.11n Wireless Adapter
USB: 04BB:0945 I-O Data Device, Inc. WN-GDN/US3 Wireless LAN Adapter
USB: 04BB:0947 I-O Data Device, Inc. WN-G150U Wireless LAN Adapter
USB: 04BB:0948 I-O Data Device, Inc. WN-G300U Wireless LAN Adapter
USB: 04E8:2018 Samsung Electronics Co., Ltd WIS09ABGN LinkStick Wireless LAN Adapter
USB: 050D:8053 Belkin Components F5D8053 N Wireless USB Adapter v1000/v4000 [Ralink RT2870]
USB: 050D:805C Belkin Components F5D8053 N Wireless Adapter v3000 [Ralink RT2870]
USB: 050D:815C Belkin Components F5D8053 N Wireless USB Adapter v3000 [Ralink RT2870]
USB: 050D:825B Belkin Components F5D8055 N+ Wireless Adapter v2000 [Ralink RT3072]
USB: 050D:935B Belkin Components F6D4050 N150 Enhanced Wireless Network Adapter v2000 [Ralink RT3070]
USB: 0586:3416 ZyXEL Communications Corp. NWD-210N 802.11b/g/n-draft wireless adapter
USB: 0789:0162 Logitec Corp. LAN-WN22/U2 Wireless LAN Adapter
USB: 0789:0163 Logitec Corp. LAN-WN12/U2 Wireless LAN Adapter
USB: 0789:0164 Logitec Corp. LAN-W150/U2M Wireless LAN Adapter
USB: 0789:0166 Logitec Corp. LAN-W300N/U2 Wireless LAN Adapter
USB: 07AA:002F Corega K.K. CG-WLUSB2GNL
USB: 07AA:003C Corega K.K. CG-WLUSB2GNL
USB: 07AA:003F Corega K.K. CG-WLUSB300AGN
USB: 07B8:2770 AboCom Systems Inc 802.11n/b/g Mini Wireless LAN USB2.0 Adapter
USB: 07B8:2870 AboCom Systems Inc 802.11n/b/g Wireless LAN USB2.0 Adapter
USB: 07B8:3070 AboCom Systems Inc 802.11n/b/g Mini Wireless LAN USB2.0 Adapter
USB: 07B8:3071 AboCom Systems Inc 802.11n/b/g Mini Wireless LAN USB2.0 Adapter
USB: 07B8:3072 AboCom Systems Inc 802.11n/b/g Mini Wireless LAN USB2.0 Adapter
USB: 07D1:3C09 D-Link System DWA-140 RangeBooster N Adapter(rev.B1) [Ralink RT2870]
USB: 07D1:3C0A D-Link System DWA-140 RangeBooster N Adapter(rev.B2) [Ralink RT3072]
USB: 07D1:3C0D D-Link System DWA-125 Wireless N 150 Adapter(rev.A1) [Ralink RT3070]
USB: 07D1:3C0E D-Link System WUA-2340 RangeBooster G Adapter(rev.B) [Ralink RT2070]
USB: 07D1:3C0F D-Link System AirPlus G DWL-G122 Wireless Adapter(rev.E1) [Ralink RT2070]
USB: 07D1:3C11 D-Link System DWA-160 Xtreme N Dual Band USB Adapter(rev.B) [Ralink RT2870]
USB: 07D1:3C16 D-Link System DWA-125 Wireless N 150 Adapter(rev.A2) [Ralink RT3070]
USB: 07D1:3C17 D-Link System (Device name unknown)
USB: 07FA:7712 DrayTek Corp. (Device name unknown)
USB: 083A:6618 Accton Technology Corp. 802.11n Wireless Adapter
USB: 083A:7511 Accton Technology Corp. Arcadyan 802.11N Wireless Adapter
USB: 083A:7512 Accton Technology Corp. Arcadyan 802.11N Wireless Adapter
USB: 083A:7522 Accton Technology Corp. Arcadyan 802.11N Wireless Adapter
USB: 083A:8522 Accton Technology Corp. Arcadyan 802.11N Wireless Adapter
USB: 083A:A618 Accton Technology Corp. SMCWUSBS-N EZ Connect N Draft 11n Wireless Adapter [Ralink RT2870]
USB: 083A:A701 Accton Technology Corp. SMCWUSBS-N3 EZ Connect N Wireless Adapter [Ralink RT3070]
USB: 083A:A702 Accton Technology Corp. (Device name unknown)
USB: 083A:A703 Accton Technology Corp. (Device name unknown)
USB: 083A:B522 Accton Technology Corp. SMCWUSBS-N2 EZ Connect N Wireless Adapter [Ralink RT2870]
USB: 0B05:1731 ASUSTek Computer, Inc. 802.11n Network Adapter
USB: 0B05:1732 ASUSTek Computer, Inc. 802.11n Network Adapter
USB: 0B05:1742 ASUSTek Computer, Inc. 802.11n Network Adapter
USB: 0B05:1784 ASUSTek Computer, Inc. USB-N13 802.11n Network Adapter (rev. A1) [Ralink RT3072]
USB: 0CDE:0022 Z-Com 802.11b/g/n Wireless Network Adapter
USB: 0CDE:0025 Z-Com 802.11b/g/n USB Wireless Network Adapter
USB: 0DB0:3820 Micro Star International (Device name unknown)
USB: 0DB0:3821 Micro Star International (Device name unknown)
USB: 0DB0:3822 Micro Star International (Device name unknown)
USB: 0DB0:3870 Micro Star International (Device name unknown)
USB: 0DB0:3871 Micro Star International (Device name unknown)
USB: 0DB0:6899 Micro Star International 802.11bgn 1T1R Mini Card Wireless Adapter
USB: 0DB0:821A Micro Star International (Device name unknown)
USB: 0DB0:822A Micro Star International (Device name unknown)
USB: 0DB0:822B Micro Star International (Device name unknown)
USB: 0DB0:822C Micro Star International (Device name unknown)
USB: 0DB0:870A Micro Star International (Device name unknown)
USB: 0DB0:871A Micro Star International (Device name unknown)
USB: 0DB0:871B Micro Star International (Device name unknown)
USB: 0DB0:871C Micro Star International (Device name unknown)
USB: 0DB0:899A Micro Star International (Device name unknown)
USB: 0DF6:0017 Sitecom Europe B.V. WL-182 Wireless-N Network USB Card
USB: 0DF6:002B Sitecom Europe B.V. WL-188 Wireless Network 300N USB Adapter
USB: 0DF6:002C Sitecom Europe B.V. WL-301 Wireless Network 300N USB Adapter
USB: 0DF6:002D Sitecom Europe B.V. WL-302 Wireless Network 300N USB dongle
USB: 0DF6:0039 Sitecom Europe B.V. WL-315 Wireless-N USB Adapter
USB: 0DF6:003E Sitecom Europe B.V. WL-343 Wireless USB Adapter 150N X1
USB: 0DF6:003F Sitecom Europe B.V. WL-608 Wireless USB Adapter 54g
USB: 0DF6:0042 Sitecom Europe B.V. WL-345 Wireless USB adapter 300N X3
USB: 0DF6:0047 Sitecom Europe B.V. WL-352v1 Wireless USB Adapter 300N 002
USB: 0DF6:0048 Sitecom Europe B.V. WL-349v1 Wireless Adapter 150N 002 [Ralink RT3070]
USB: 0E66:0001 Hawking Technologies HWUN1 Hi-Gain Wireless-300N Adapter w/ Upgradable Antenna [Ralink RT2870]
USB: 0E66:0003 Hawking Technologies HWDN1 Hi-Gain Wireless-300N Dish Adapter [Ralink RT2870]
USB: 100D:9031 Netopia, Inc. Motorola 802.11n Dualband USB Wireless Adapter
USB: 1044:800B Chu Yuen Enterprise Co., Ltd GN-WB30N 802.11n WLAN Card
USB: 1044:800D Chu Yuen Enterprise Co., Ltd GN-WB32L 802.11n USB WLAN Card
USB: 129B:1828 CyberTAN Technology Gigaset USB Adapter 300
USB: 13D3:3247 IMC Networks 802.11 n/g/b Wireless LAN Adapter
USB: 13D3:3273 IMC Networks 802.11 n/g/b Wireless LAN USB Mini-Card
USB: 13D3:3305 IMC Networks (Device name unknown)
USB: 13D3:3307 IMC Networks (Device name unknown)
USB: 13D3:3321 IMC Networks (Device name unknown)
USB: 1482:3C09 Vaillant (Device name unknown)
USB: 148F:2070 Ralink Technology, Corp. RT2070 Wireless Adapter
USB: 148F:2770 Ralink Technology, Corp. RT2770 Wireless Adapter
USB: 148F:2870 Ralink Technology, Corp. RT2870 Wireless Adapter
USB: 148F:3070 Ralink Technology, Corp. RT2870/RT3070 Wireless Adapter
USB: 148F:3071 Ralink Technology, Corp. RT3071 Wireless Adapter
USB: 148F:3072 Ralink Technology, Corp. RT3072 Wireless Adapter
USB: 14B2:3C06 Ralink Technology, Corp. Conceptronic C300RU v1 802.11bgn Wireless Adapter [Ralink RT2870]
USB: 14B2:3C07 Ralink Technology, Corp. 802.11n adapter
USB: 14B2:3C09 Ralink Technology, Corp. 802.11n adapter
USB: 14B2:3C12 Ralink Technology, Corp. (Device name unknown)
USB: 14B2:3C23 Ralink Technology, Corp. Airlink101 AWLL6080 802.11bgn Wireless Adapter [Ralink RT2870]
USB: 14B2:3C25 Ralink Technology, Corp. DrayTek Vigor N61 802.11bgn Wireless Adapter [Ralink RT2870]
USB: 14B2:3C27 Ralink Technology, Corp. Airlink101 AWLL6070 802.11bgn Wireless Adapter [Ralink RT2770]
USB: 14B2:3C28 Ralink Technology, Corp. Conceptronic C300RU v2 802.11bgn Wireless Adapter [Ralink RT2770]
USB: 157E:300E TRENDnet (Device name unknown)
USB: 15A9:0006 Gemtek Wireless 11n USB Adapter
USB: 15C5:0008 Advance Multimedia Internet Technology Inc. (AMIT) WL532U 802.11g Adapter
USB: 1690:0740 Askey Computer Corp. [hex] 802.11n Wireless LAN Card
USB: 1737:0070 Linksys WUSB100 v1 RangePlus Wireless Network Adapter [Ralink RT2870]
USB: 1737:0071 Linksys WUSB600N v1 Dual-Band Wireless-N Network Adapter [Ralink RT2870]
USB: 1737:0077 Linksys WUSB54GC v3 802.11g Adapter [Ralink RT2070L]
USB: 1740:9701 Senao EnGenius 802.11n Wireless USB Adapter
USB: 1740:9702 Senao EnGenius 802.11n Wireless USB Adapter
USB: 1740:9703 Senao EnGenius 802.11n Wireless USB Adapter
USB: 1740:9705 Senao EnGenius 802.11n Wireless USB Adapter
USB: 1740:9706 Senao EUB9706 802.11n Wireless Adapter [Ralink RT3072]
USB: 1740:9707 Senao (Device name unknown)
USB: 1740:9708 Senao (Device name unknown)
USB: 1740:9709 Senao (Device name unknown)
USB: 177F:0302 Sweex (Device name unknown)
USB: 18C5:0012 AMIT Technology, Inc. CG-WLUSB10 Corega Wireless USB Adapter
USB: 1A32:0304 Quanta Microsystems, Inc. 802.11n Wireless LAN Card
USB: 1D4D:000C PEGATRON CORPORATION Ralink RT3070 802.11b/g/n Wireless Lan USB Device
USB: 1D4D:000E PEGATRON CORPORATION Ralink RT3070 802.11b/g/n Wireless Lan USB Device
USB: 1EDA:2310 AirTies Wireless Networks Air2310 150 Mbps Wireless Adapter
USB: 2001:3C09 D-Link Corp. (Device name unknown)
USB: 2001:3C0A D-Link Corp. (Device name unknown)
USB: 2019:AB25 PLANEX GW-USMini2N 802.11n Wireless Adapter [Ralink RT2870]
USB: 2019:ED06 PLANEX GW-US300MiniW 802.11bgn Wireless Adapter
USB: 2019:ED14 PLANEX GW-USMicroN
USB: 203D:1480 (Vendor name unknown) (Device name unknown)
USB: 203D:14A9 (Vendor name unknown) (Device name unknown)
USB: 20B8:8888 (Vendor name unknown) (Device name unknown)
USB: 5A57:0280 Zinwell 802.11a/b/g/n USB Wireless LAN Card
USB: 5A57:0282 Zinwell 802.11b/g/n USB Wireless LAN Card
USB: 5A57:0283 Zinwell 802.11b/g/n USB Wireless LAN Card
USB: 5A57:5257 Zinwell Metronic 495257 wifi 802.11ng
USB: 7392:7711 Edimax Technology Co., Ltd EW-7711UTn nLite Wireless Adapter [Ralink RT2870]
USB: 7392:7717 Edimax Technology Co., Ltd EW-7717UN 802.11n Wireless Adapter [Ralink RT2870]
USB: 7392:7718 Edimax Technology Co., Ltd EW-7718UN 802.11n Wireless Adapter [Ralink RT2870]

Instalação da firmware

Se o seu dispositivo está na lista acima, siga a matéria.

Por se tratar de um pacote proprietário, o Debian não tem suporte padrão a esses pacotes na sua sources.list, nesse caso você precisa habilitar o contrib non-free na sources.list, confira na matéria abaixo como fazer.

Configurar a sources.list do Debian Stretch

Estando com a sources.list preparada, de o comando abaixo para fazer a instalação da firmware Ralink.

sudo apt install firmware-ralink

Prontinho, conecte o seu dispositivo e ele já deve ser reconhecido.

Fonte