Wifi comfast cf 811ac

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README.md
Миниатюрный WiFi USB адаптер Comfast CF-811AC 802.11ac/abgn 2.4+5ГГЦ (с разборкой)
ТТХ
Вид изнутри
Общие впечатления
Wifi comfast cf 811ac
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1200Mbps Dual Band High speed Repeater
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3000Mbps dual band WiFi signal booster
CF-WR760AC
Wi-Fi Repeater that «talks «
CF-WR613N V3
300Mbps home use wireless router
CF-XR10
1800Mbps smart MESH router
CF-WR650AC
1750Mbps 11AC Dual Band AC Routing
CF-WR610N
300Mbps AC Wireless Router
CF-E4
4G Wireless Router
CF-E3 V4
Free broadband so comfortable
CF-ER10
Portable 4G SIM Card Router
CF-E7
Universal bands 4G AP
CF-EW74
1200Mbps WiFi Coverage AP
CF-EW72 V2
1200Mbps WiFi Coverage AP
CF-WA900 V2
1750Mbps 360° WiFi Coverage
CF-WA800 V3
1300Mbps Dual Band
CF-E315D
Digital display WiFi bridge precise pairing
CF-A5【OEM Only】
Outdoor Wirless CPE
CF-A1【OEM Only】
Outdoor WiFi CPE
CF-E120A
COMFAST CF-E120A 5 8G Mini outdoor wireless CPE
Wifi comfast cf 811ac
CF-921AC V2
1300Mbps丨2.4G＆5.8G Dual Band丨Dual Antennas
CF-972AX【Drive-free】
WiFi 6·AX 5400 Wireless network card
CF-955AX V2
1800Mbps High Speed WiFi 6 USB Adapter
CF-966AX
WiFi6 Four-Antenna WiFi Adapter
CF-WR758AC
1200Mbps Dual Band Wireless Repeater
CF-WR756AC
1200Mbps Dual Band High speed Repeater
CF-XR186
3000Mbps dual band WiFi signal booster
CF-WR760AC
Wi-Fi Repeater that «talks «
CF-WR613N V3
300Mbps home use wireless router
CF-XR10
1800Mbps smart MESH router
CF-WR650AC
1750Mbps 11AC Dual Band AC Routing
CF-WR610N
300Mbps AC Wireless Router
CF-E4
4G Wireless Router
CF-E3 V4
Free broadband so comfortable
CF-ER10
Portable 4G SIM Card Router
CF-E7
Universal bands 4G AP
CF-EW74
1200Mbps WiFi Coverage AP
CF-EW72 V2
1200Mbps WiFi Coverage AP
CF-WA900 V2
1750Mbps 360° WiFi Coverage
CF-WA800 V3
1300Mbps Dual Band
CF-E315D
Digital display WiFi bridge precise pairing
CF-A5【OEM Only】
Outdoor Wirless CPE
CF-A1【OEM Only】
Outdoor WiFi CPE
CF-E120A
COMFAST CF-E120A 5 8G Mini outdoor wireless CPE

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README.md

Realtek RTL8811CU/RTL8821CU USB wifi adapter driver version 5.4.1 for Linux 4.4.x up to 5.x

Before build this driver make sure make , gcc , linux-header and git have been installed.

First, clone this repository

mkdir -p ~/build cd ~/build git clone https://github.com/brektrou/rtl8821CU.git

Build and install with DKMS

DKMS is a system which will automatically recompile and install a kernel module when a new kernel gets installed or updated. To make use of DKMS, install the dkms package.

To make use of the DKMS feature with this project, just run:

If you later on want to remove it, run:

Plug your USB-wifi-adapter into your PC

If wifi can be detected, congratulations. If not, maybe you need to switch your device usb mode by the following steps in terminal:

Need install usb_modeswitch (Archlinux: sudo pacman -S usb_modeswitch )

sudo usb_modeswitch -KW -v 0bda -p 1a2b systemctl start bluetooth.service - starting Bluetooth service if it's in inactive state

Build and install without DKMS

cd ~/build/rtl8821CU make sudo make install

If you later on want to remove it, do the following:

cd ~/build/rtl8821CU sudo make uninstall

Checking installed driver

If you successfully install the driver, the driver is installed on /lib/modules//kernel/drivers/net/wireless/realtek/rtl8821cu . Check the driver with the ls command:

ls /lib/modules/$(uname -r)/kernel/drivers/net/wireless/realtek/rtl8821cu

Make sure 8821cu.ko file present on that directory

Check with DKMS (if installing via DKMS):

ARM architecture tweak for this driver (this solves compilation problem of this driver):

sudo cp /lib/modules/$(uname -r)/build/arch/arm/Makefile /lib/modules/$(uname -r)/build/arch/arm/Makefile.$(date +%Y%m%d%H%M) sudo sed -i 's/-msoft-float//' /lib/modules/$(uname -r)/build/arch/arm/Makefile sudo ln -s /lib/modules/$(uname -r)/build/arch/arm /lib/modules/$(uname -r)/build/arch/armv7l

Use the tool ‘iw’, please don’t use other tools like ‘airmon-ng’

iw dev wlan0 set monitor none

Источник

Миниатюрный WiFi USB адаптер Comfast CF-811AC 802.11ac/abgn 2.4+5ГГЦ (с разборкой)

Миниатюрный двухдиапазонный 2.4+5ГГЦ адаптер/донгл/свисток (нужное подчеркнуть), интерфейс USB2.0.
По умолчанию работает в режиме клиента, после установки дополнительного ПО — в режиме точки доступа.
Одновременно может работать только один диапазон, так что 650Mbps — это просто сумма двух теоретически возможных ~~коней~~ пропускных способностей в вакууме.

Поставляется в блистере с защелками, внутри картонки мини-CD с драйверами и ПО (сразу выкинул).
C обратной стороны напечатаны характеристики и сценарии использования.

Корпус адаптера имеет толщину 8мм, при установке вторым в «парный» порт не приводит к взаимным выгибаниям корпусов (как у меня было с Mi WiFi).

ТТХ

Собран на Realtek RTL8811CU
Стандарты 802.11a/b/g/n,ac
Схема 1T1R, с поддержкой MU-MIMO
Индикаторов активности нет.

Вид изнутри

Пошкрябаность была изначально, из коробки.

Общие впечатления

Маленький аккуратный адаптер, работает под win7 после ручной установки драйверов (возможно в 8х и выше подхватывается сам). При работе греется меньше чем Mi WiFi — на ощупь нет 40С.
В Debian/Armbian подхватывается автоматически. Поддерживаемые фичи можно посмотреть в iw list

 Wiphy phy0 max # scan SSIDs: 9 max scan IEs length: 2304 bytes max # sched scan SSIDs: 0 max # match sets: 0 max # scan plans: 1 max scan plan interval: -1 max scan plan iterations: 0 Retry short limit: 7 Retry long limit: 4 Coverage class: 0 (up to 0m) Supported Ciphers: * WEP40 (00-0f-ac:1) * WEP104 (00-0f-ac:5) * TKIP (00-0f-ac:2) * CCMP-128 (00-0f-ac:4) Available Antennas: TX 0 RX 0 Supported interface modes: * IBSS * managed * AP * monitor * P2P-client * P2P-GO Band 1: Capabilities: 0x1962 HT20/HT40 Static SM Power Save RX HT20 SGI RX HT40 SGI RX STBC 1-stream Max AMSDU length: 7935 bytes DSSS/CCK HT40 Maximum RX AMPDU length 65535 bytes (exponent: 0x003) Minimum RX AMPDU time spacing: 16 usec (0x07) HT Max RX data rate: 150 Mbps HT TX/RX MCS rate indexes supported: 0-7 Bitrates (non-HT): * 1.0 Mbps * 2.0 Mbps * 5.5 Mbps * 11.0 Mbps * 6.0 Mbps * 9.0 Mbps * 12.0 Mbps * 18.0 Mbps * 24.0 Mbps * 36.0 Mbps * 48.0 Mbps * 54.0 Mbps 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) (no IR) * 2472 MHz [13] (20.0 dBm) (no IR) * 2484 MHz [14] (disabled) Band 2: Capabilities: 0x1862 HT20/HT40 Static SM Power Save RX HT20 SGI RX HT40 SGI No RX STBC Max AMSDU length: 7935 bytes DSSS/CCK HT40 Maximum RX AMPDU length 65535 bytes (exponent: 0x003) Minimum RX AMPDU time spacing: 16 usec (0x07) HT Max RX data rate: 150 Mbps HT TX/RX MCS rate indexes supported: 0-7 VHT Capabilities (0x03c00122): Max MPDU length: 11454 Supported Channel Width: neither 160 nor 80+80 short GI (80 MHz) +HTC-VHT VHT RX MCS set: 1 streams: MCS 0-9 2 streams: not supported 3 streams: not supported 4 streams: not supported 5 streams: not supported 6 streams: not supported 7 streams: not supported 8 streams: not supported VHT RX highest supported: 434 Mbps VHT TX MCS set: 1 streams: MCS 0-9 2 streams: not supported 3 streams: not supported 4 streams: not supported 5 streams: not supported 6 streams: not supported 7 streams: not supported 8 streams: not supported VHT TX highest supported: 434 Mbps Bitrates (non-HT): * 6.0 Mbps * 9.0 Mbps * 12.0 Mbps * 18.0 Mbps * 24.0 Mbps * 36.0 Mbps * 48.0 Mbps * 54.0 Mbps Frequencies: * 5180 MHz [36] (20.0 dBm) * 5200 MHz [40] (20.0 dBm) * 5220 MHz [44] (20.0 dBm) * 5240 MHz [48] (20.0 dBm) * 5260 MHz [52] (20.0 dBm) (no IR, radar detection) * 5280 MHz [56] (20.0 dBm) (no IR, radar detection) * 5300 MHz [60] (20.0 dBm) (no IR, radar detection) * 5320 MHz [64] (20.0 dBm) (no IR, radar detection) * 5500 MHz [100] (30.0 dBm) (no IR, radar detection) * 5520 MHz [104] (30.0 dBm) (no IR, radar detection) * 5540 MHz [108] (30.0 dBm) (no IR, radar detection) * 5560 MHz [112] (30.0 dBm) (no IR, radar detection) * 5580 MHz [116] (30.0 dBm) (no IR, radar detection) * 5600 MHz [120] (30.0 dBm) (no IR, radar detection) * 5620 MHz [124] (30.0 dBm) (no IR, radar detection) * 5640 MHz [128] (30.0 dBm) (no IR, radar detection) * 5660 MHz [132] (30.0 dBm) (no IR, radar detection) * 5680 MHz [136] (30.0 dBm) (no IR, radar detection) * 5700 MHz [140] (30.0 dBm) (no IR, radar detection) * 5720 MHz [144] (disabled) * 5745 MHz [149] (30.0 dBm) * 5765 MHz [153] (30.0 dBm) * 5785 MHz [157] (30.0 dBm) * 5805 MHz [161] (30.0 dBm) * 5825 MHz [165] (30.0 dBm) * 5845 MHz [169] (disabled) * 5865 MHz [173] (disabled) * 5885 MHz [177] (disabled) Supported commands: * new_interface * set_interface * new_key * start_ap * new_station * set_bss * join_ibss * set_pmksa * del_pmksa * flush_pmksa * remain_on_channel * frame * set_channel * 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 * 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 Supported RX frame types: * IBSS: 0xd0 * managed: 0x40 0xd0 * AP: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0 * AP/VLAN: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0 * P2P-client: 0x40 0xd0 * P2P-GO: 0x00 0x20 0x40 0xa0 0xb0 0xc0 0xd0 WoWLAN support: * wake up on anything (device continues operating normally) software interface modes (can always be added): * monitor interface combinations are not supported Device supports scan flush. Supported extended features:

Источник

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