I have an Archer T4U Wi-Fi adapter but I can't install the drivers. Could someone please help me?

lsusb gives out this result:

Bus 006 Device 003: ID 2357:0115 TP-Link 

When I try to compile it with make, the following error shows up:

make ARCH=x86_64 CROSS_COMPILE= -C /lib/modules/5.0.0-27-generic/build M=/home/alvaro/rtl8822bu modules
make[1]: se entra en el directorio '/usr/src/linux-headers-5.0.0-27-generic' CC [M] /home/alvaro/rtl8822bu/core/rtw_cmd.o
In file included from /home/alvaro/rtl8822bu/include/osdep_service.h:41, from /home/alvaro/rtl8822bu/include/drv_types.h:32, from /home/alvaro/rtl8822bu/core/rtw_cmd.c:22:
/home/alvaro/rtl8822bu/include/osdep_service_linux.h: In function ‘_init_timer’:
/home/alvaro/rtl8822bu/include/osdep_service_linux.h:257:8: error: ‘_timer’ {aka ‘struct timer_list’} has no member named ‘data’ ptimer->data = (unsigned long)cntx; ^~
/home/alvaro/rtl8822bu/include/osdep_service_linux.h:258:2: error: implicit declaration of function ‘init_timer’; did you mean ‘_init_timer’? [-Werror=implicit-function-declaration] init_timer(ptimer); ^~~~~~~~~~ _init_timer
In file included from /home/alvaro/rtl8822bu/include/drv_types.h:35, from /home/alvaro/rtl8822bu/core/rtw_cmd.c:22:
/home/alvaro/rtl8822bu/include/wifi.h: At top level:
/home/alvaro/rtl8822bu/include/wifi.h:1005: warning: "IEEE80211_MAX_AMPDU_BUF" redefined #define IEEE80211_MAX_AMPDU_BUF 0x40
In file included from /home/alvaro/rtl8822bu/include/osdep_service_linux.h:84, from /home/alvaro/rtl8822bu/include/osdep_service.h:41, from /home/alvaro/rtl8822bu/include/drv_types.h:32, from /home/alvaro/rtl8822bu/core/rtw_cmd.c:22:
./include/linux/ieee80211.h:1444: note: this is the location of the previous definition #define IEEE80211_MAX_AMPDU_BUF 0x100
cc1: some warnings being treated as errors
make[2]: *** [scripts/Makefile.build:286: /home/alvaro/rtl8822bu/core/rtw_cmd.o] Error 1
make[1]: *** [Makefile:1606: _module_/home/alvaro/rtl8822bu] Error 2
make[1]: se sale del directorio '/usr/src/linux-headers-5.0.0-27-generic'
make: *** [Makefile:1318: modules] Error 2

2

3 Answers

As far as I know this USB Wifi Card is based on Realtek RLT8822BU Chipset.

On support page I only see "outdated" drivers T4U V3 180511 and T4U V3 181018 Beta, may they work, may not.

I would try to use driver from and compile it.

sudo apt-get update
sudo apt-get install git
git clone
cd rtl8822bu
make
sudo make install
sudo modprobe 8822bu

1

Works with kernel head v5.3.xxx using this repo. which you will need to git clone into a local folder

git clone 

Make sure you have build-essentials and dkms

sudo apt-get install build-essential dkms

After cloning, cd into that folder and run

cd rtl8822bu
make
sudo make install
sudo modprobe 88x2bu

Then connect to your Wi-Fi (Hopefully, both 2.4GHz and 5GHz should be detectable now)

Next, follow these steps to refine the installation and for an automatic rebuild on Ubuntu kernel image updates

sudo dkms add .
sudo dkms install -m 88x2bu -v 1.1

Maybe try

cd rtl88x2bu
VER=$(sed -n 's/\PACKAGE_VERSION="\(.*\)"/\1/p' dkms.conf)
sudo rsync -rvhP ./ /usr/src/rtl88x2bu-${VER}
sudo dkms add -m rtl88x2bu -v ${VER}
sudo dkms build -m rtl88x2bu -v ${VER}
sudo dkms install -m rtl88x2bu -v ${VER}
sudo modprobe 88x2bu

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