Question 1

can you turn the wifi off?

Accepted Answer

Well....  no...  I guess you can't turn the wifi off....  strange.  Never thought about that.

You could make the SSID not visible, turn off the DHCP scope (or limit it to a few addresses for wired connections)...  generally make it hard for people to get connected, but I don't see a way to turn it off altogether.

Question 2

Will this router work with Comcast Xfinity Internet Services?

Accepted Answer

Yes, the ASUS RT-AX82U AX5400 Dual-Band WiFi 6 Gaming Router will work with Comcast Xfinity Internet Services.

Question 3

Can this be used as a wifi extender? I need to upgrade my extender router.

Accepted Answer

No, The software only offers the following modes in its UI for setup.

Wireless Router w/ AiMesh Rtr
Access Point (AP) w/ AiMesh AP
Media Bridge
Repeater Mode
AiMesh Node

If you want a good extender then I would focus on one of those, that being said. If you have a hard line to where you want to put your extender I recommend just adding an AP. Get better coverage in my opinion.

Question 4

will this router work on google fiber?

Accepted Answer

Yes why would you think it would not?

Question 5

will this work on google fiber?

Accepted Answer

The Asus RT-AX82U supports various network protocols including IPv4 and IPv6. It has WAN ports that can connect to your Google Fiber network. However, compatibility with specific ISP services is typically determined by the ISP and router firmware. You may want to check with Google Fiber support for full compatibility information.

Question 6

What’s the difference between ax5400 and ax 5400s ?

Accepted Answer

nothing it is the same thing.

Question 7

can i bridg 2 for 1 wirlessnetwork?

Accepted Answer

Yes you can and it works great.
I have a 5Ghz backhaul WL bridge to my detached garage for 2 IP PoE cameras (separate PoE switch wired to it in the garage) and a Homerun network 4 tuner for TV.  Also a Wl camera and a couple of other wireless devices.
It is an RT-82u (as router) to an RT-AX55(1800) and another gigabit ethernet back haul to another AX55 for better MESH coverage in the bedroom areas, but it will work just fine with identical units.  All of Asus's recent routers with few exceptions support MESH and WL uplink bridge to another.  I've had for a bit over a year and have around 35 devices and it works great. (they appeared to have an issue with one of their firmwares a while ago but the update fixed the issue)
I've been using Asus routers (at home) for many years and still have an old one repurpased that is still working great (FTP server for cameras)

Standards	IEEE 802.11a
WiFi Generation	Wi-Fi 6
Wireless Standard	IEEE 802.11a / IEEE 802.11ac / IEEE 802.11ax / IEEE 802.11b / IEEE 802.11g / IEEE 802.11n
Network Protocols	IPv4, IPv6
Device Management	UPnP, IGMP v1/v2/v3, DNS Proxy, DHCP, NTP Client, DDNS, Port Trigger, Port Forwarding, DMZ, System Event Log
Security	Firewall: SPI intrusion detection, DoS protection Access control: Parental control, Network service filter, URL filter, Port filter
WPA	WPA3-Personal, WPA2-Personal, WPA-Personal, WPA-Enterprise , WPA2-Enterprise , WPS support
WAN Ports	1 x 10/100/1000M
LAN Ports	4 x 10/100/1000M
LEDs	1 x Power 2 x Wi-Fi 1 x WAN
Buttons	WPS Button, Reset Button, Power Switch, LED on/off Button
Wireless Data Rates	802.11a : 6,9,12,18,24,36,48,54 Mbps 802.11b : 1, 2, 5.5, 11 Mbps 802.11g : 6,9,12,18,24,36,48,54 Mbps 802.11n : up to 300 Mbps 802.11n (1024 QAM) : up to 500 Mbps 802.11ac (1024 QAM) : up to 4333 Mbps 802.11ax (2.4GHz) : up to 574 Mbps 802.11ax (5GHz) : up to 4804 Mbps
Frequency Band	2.4 GHz / 5 GHz
Antenna	4 x External antenna
Operation Mode	Access Point Mode / Media Bridge Mode / Wireless Router Mode
Interface	USB 3.2 Gen 1
VPN support	IPSec Pass-Through PPTP Pass-Through L2TP Pass-Through IPSec server PPTP server OpenVPN server PPTP client L2TP client OpenVPN client
Power Supply	AC Input : 110V~240V(50~60Hz) DC Output : 19 V with max. 1.75 A current
System Requirements	Windows 10 Windows 8 Windows 7 Mac OS X 10.6 Mac OS X 10.7 Mac OS X 10.8
Dimensions	10.85" x 7.26" x 6.50" (WxDxH) with antenna 10.85" x 7.26" x 2.56" (WxDxH) without antenna
Weight	1.63 lbs.

ASUS RT-AX82U AX5400 Dual-Band WiFi 6 Gaming Router, Game Acceleration, Mesh WiFi Support, Lifetime Free Internet Security, Dedicated Gaming Port, Mobile Game Boost, MU-MIMO, Aura RGB

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Model
Brand	ASUS
Model	RT-AX82U

Item#: N82E16833320457