Merci pour la reponse si rapide !
Autant pour moi
voici donc:
>> cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=20.04
DISTRIB_CODENAME=focal
DISTRIB_DESCRIPTION="Ubuntu 20.04 LTS"
>> lsusb
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 003: ID 1bcf:2883 Sunplus Innovation Technology Inc.
Bus 001 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 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
>> lspci -k -nn | grep -A 3 -i net
03:00.0 Network controller [0280]: Ralink corp. RT3290 Wireless 802.11n 1T/1R PCIe [1814:3290]
Subsystem: Foxconn International, Inc. RT3290 Wireless 802.11n 1T/1R PCIe [105b:e055]
Kernel driver in use: rt2800pci
Kernel modules: rt2800pci
--
04:00.0 Ethernet controller [0200]: Qualcomm Atheros AR8161 Gigabit Ethernet [1969:1091] (rev 10)
Subsystem: ASUSTeK Computer Inc. AR8161 Gigabit Ethernet [1043:14c7]
Kernel driver in use: alx
Kernel modules: alx
>> sudo lshw -C network
*-network
description: Interface réseau sans fil
produit: RT3290 Wireless 802.11n 1T/1R PCIe
fabricant: Ralink corp.
identifiant matériel: 0
information bus: pci@0000:03:00.0
nom logique: wlp3s0f0
version: 00
numéro de série: a4:17:31:0d:b7:21
bits: 32 bits
horloge: 33MHz
fonctionnalités: pm msi pciexpress bus_master cap_list ethernet physical wireless
configuration : broadcast=yes driver=rt2800pci driverversion=5.4.0-29-generic firmware=0.37 ip=192.168.43.229 latency=0 link=yes multicast=yes wireless=IEEE 802.11
ressources : irq:17 mémoire:f7910000-f791ffff
*-network
description: Ethernet interface
produit: AR8161 Gigabit Ethernet
fabricant: Qualcomm Atheros
identifiant matériel: 0
information bus: pci@0000:04:00.0
nom logique: enp4s0
version: 10
numéro de série: 08:60:6e:4e:79:93
taille: 1Gbit/s
capacité: 1Gbit/s
bits: 64 bits
horloge: 33MHz
fonctionnalités: pm pciexpress msi msix bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration : autonegotiation=on broadcast=yes driver=alx duplex=full ip=192.168.0.14 latency=0 link=yes multicast=yes port=twisted pair speed=1Gbit/s
ressources : irq:19 mémoire:f7800000-f783ffff portE/S:d000(taille=128)
>> lsmod | sort
aesni_intel 372736 4
ahci 40960 2
alx 49152 0
asus_nb_wmi 28672 0
asus_wireless 20480 0
asus_wmi 32768 1 asus_nb_wmi
autofs4 45056 2
ccm 20480 6
cfg80211 704512 2 rt2x00lib,mac80211
coretemp 20480 0
crc32_pclmul 16384 0
crct10dif_pclmul 16384 1
cryptd 24576 2 crypto_simd,ghash_clmulni_intel
crypto_simd 16384 1 aesni_intel
drm 491520 11 drm_kms_helper,i915,ttm,nouveau
drm_kms_helper 184320 2 i915,nouveau
eeprom_93cx6 16384 1 rt2800pci
fb_sys_fops 16384 1 drm_kms_helper
ghash_clmulni_intel 16384 0
glue_helper 16384 1 aesni_intel
i2c_algo_bit 16384 2 i915,nouveau
i2c_i801 32768 0
i915 1986560 14
input_leds 16384 0
intel_cstate 20480 0
intel_powerclamp 20480 0
intel_rapl_common 24576 1 intel_rapl_msr
intel_rapl_msr 20480 0
intel_rapl_perf 20480 0
ip_tables 32768 0
joydev 24576 0
kvm 663552 1 kvm_intel
kvm_intel 286720 0
ledtrig_audio 16384 1 snd_hda_codec_generic
libahci 32768 1 ahci
libarc4 16384 1 mac80211
lp 20480 0
lpc_ich 24576 0
mac80211 843776 3 rt2x00pci,rt2x00lib,rt2800lib
mac_hid 16384 0
mc 53248 4 videodev,videobuf2_v4l2,uvcvideo,videobuf2_common
mdio 16384 1 alx
mei 106496 3 mei_hdcp,mei_me
mei_hdcp 24576 0
mei_me 40960 1
Module Size Used by
mxm_wmi 16384 1 nouveau
nls_iso8859_1 16384 1
nouveau 1949696 1
parport 53248 3 parport_pc,lp,ppdev
parport_pc 40960 0
ppdev 24576 0
psmouse 155648 0
rt2800lib 131072 2 rt2800mmio,rt2800pci
rt2800mmio 20480 1 rt2800pci
rt2800pci 16384 0
rt2x00lib 61440 5 rt2x00mmio,rt2x00pci,rt2800mmio,rt2800pci,rt2800lib
rt2x00mmio 16384 2 rt2800mmio,rt2800pci
rt2x00pci 16384 1 rt2800pci
sch_fq_codel 20480 9
serio_raw 20480 0
snd 90112 20 snd_hda_codec_generic,snd_seq,snd_seq_device,snd_hda_codec_hdmi,snd_hwdep,snd_hda_intel,snd_hda_codec,snd_timer,snd_hda_codec_via,snd_pcm,snd_rawmidi
snd_hda_codec 131072 4 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec_via
snd_hda_codec_generic 81920 1 snd_hda_codec_via
snd_hda_codec_hdmi 61440 1
snd_hda_codec_via 20480 1
snd_hda_core 90112 5 snd_hda_codec_generic,snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_codec_via
snd_hda_intel 53248 5
snd_hwdep 20480 1 snd_hda_codec
snd_intel_dspcfg 24576 1 snd_hda_intel
snd_pcm 106496 5 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec,snd_hda_core
snd_rawmidi 36864 1 snd_seq_midi
snd_seq 69632 2 snd_seq_midi,snd_seq_midi_event
snd_seq_device 16384 3 snd_seq,snd_seq_midi,snd_rawmidi
snd_seq_midi 20480 0
snd_seq_midi_event 16384 1 snd_seq_midi
snd_timer 36864 2 snd_seq,snd_pcm
soundcore 16384 1 snd
sparse_keymap 16384 1 asus_wmi
syscopyarea 16384 1 drm_kms_helper
sysfillrect 16384 1 drm_kms_helper
sysimgblt 16384 1 drm_kms_helper
ttm 106496 1 nouveau
uvcvideo 98304 0
video 49152 3 asus_wmi,i915,nouveau
videobuf2_common 49152 2 videobuf2_v4l2,uvcvideo
videobuf2_memops 20480 1 videobuf2_vmalloc
videobuf2_v4l2 24576 1 uvcvideo
videobuf2_vmalloc 20480 1 uvcvideo
videodev 225280 3 videobuf2_v4l2,uvcvideo,videobuf2_common
wmi 32768 4 asus_wmi,wmi_bmof,mxm_wmi,nouveau
wmi_bmof 16384 0
x86_pkg_temp_thermal 20480 0
x_tables 40960 1 ip_tables
>> iwconfig
wlp3s0f0 IEEE 802.11 ESSID:"Th\xC3\xA9o"
Mode:Managed Frequency:2.462 GHz Access Point: 94:65:2D:7D:DA:10
Bit Rate=6.5 Mb/s Tx-Power=20 dBm
Retry short long limit:2 RTS thr:off Fragment thr:off
Power Management:on
Link Quality=24/70 Signal level=-86 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:427 Invalid misc:63 Missed beacon:0
>> ifconfig -a
>> sudo iwlist scan
wlp3s0f0 Scan completed :
Cell 01 - Address: 94:65:2D:7D:DA:10
Channel:11
Frequency:2.462 GHz (Channel 11)
Quality=24/70 Signal level=-86 dBm
Encryption key:on
ESSID:"Th\xC3\xA9o"
Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s
Bit Rates:6 Mb/s; 9 Mb/s; 12 Mb/s; 18 Mb/s; 24 Mb/s
36 Mb/s; 48 Mb/s; 54 Mb/s
Mode:Master
Extra:tsf=000000000332108a
Extra: Last beacon: 224ms ago
IE: Unknown: 00055468C3A96F
IE: Unknown: 010482848B96
IE: Unknown: 03010B
IE: Unknown: 3B1151515354737475767778797A7B7D7E7F80
IE: Unknown: 2A0100
IE: Unknown: 32080C1218243048606C
IE: IEEE 802.11i/WPA2 Version 1
Group Cipher : CCMP
Pairwise Ciphers (1) : CCMP
Authentication Suites (1) : PSK
IE: Unknown: 2D1AAD0113FFFF000000000000000000000000000000000000000000
IE: Unknown: 3D160B000400000000000000000000000000000000000000
IE: Unknown: DD180050F2020101810003A4000027A4000042435E0062322F00
IE: Unknown: BF0C92798133FAFF0C03FAFF0C03
IE: Unknown: C005000000FAFF
IE: Unknown: 7F080400000000000040
>> uname -r -m
5.4.0-29-generic x86_64
>> cat /etc/network/interfaces
>> nm-tool
>> nmcli dev wifi
IN-USE BSSID SSID MODE CHAN RATE SIGNAL BARS SECURITY
* 94:65:2D:7D:DA:10 Théo Infra 11 130 Mbit/s 24 ▂___ WPA2
FA:8F:CA:56:BB:9D Chambre.v Infra 11 65 Mbit/s 14 ▂___ --
>> nmcli connection list (< 15.04) ou nmcli connection show (>= 15.04)
NAME UUID TYPE DEVICE
Connexion filaire 1 c19437fd-89fa-3a27-bf74-20b9b16ef2ac ethernet enp4s0
Théo 14360c86-e86a-4e4a-9698-630c5afd8fa6 wifi wlp3s0f0
iPhone de bébé Izaé ec3b452c-566a-4ced-b95b-05d8d076f957 wifi --
Livebox-E56A 3883cac6-c216-4d09-9a7c-628c01f7de54 wifi --
>> nmcli connection status
>> sudo rfkill list
0: phy0: Wireless LAN
Soft blocked: no
Hard blocked: no