The built-in wi-fi on XBOX360 models that have that feature does uses only the 2.4ghz spectrum. I have read reports that the black XBOX 360 N adaptor does support 5ghz but I find that quite dubious since mine clearly does not and I found no product literature that says otherwise when I searched.
How to connect your Xbox to a hotel wireless network Choose a phone or other device to mimic, then find its MAC address. On a Windows phone, you can … How to Hook Up a Wireless Xbox 360 Controller to Your Computer Jul 10, 2017 How to Connect an Xbox 360 to Your TV - lifewire.com Mar 27, 2020 Xbox 360 can't connect to WiFi - Solved - Fizz Community Hub
How to Set up Xbox Live using a laptop and ethernet cable
How to Connect Xbox 360 to Internet Without Wireless Method 1 Plug the LAN or ethernet cable to the laptop or desktop computer and the Xbox 360. Turn on the laptop or desktop computer and the Xbox 360. As soon as you’ve logged in to Windows, click the Windows Start button located at the bottom-left corner of the screen Type control panel and hit How to Connect an Xbox 360 to an XFINITY WiFi Hotspot: 6 Steps Dec 08, 2015
Image via orlandoinformer.com. If you're planning on taking an Xbox 360 to play LIVE at your hotel, you're not going to have a good time. Since these internet login pages don't show up on an Xbox, it's not possible to connect to the internet this way. If it helps I have one of the newer 360's with an internal WiFi rather than the detachable wifi. Also I'm confident it's nothing to do with the X-Box since the wifi worked fine prior to switching to comcast. It sees the network, and I've entered the password like 10 times now and still can't get it to get a successful test through the first hop. If your wireless router is not near your console, you may get a better wireless signal by using a wireless networking adaptor. When you connect an Xbox 360 Wireless Networking Adaptor to an Xbox 360 E console, the console automatically uses the wireless adaptor instead of the built-in WiFi. Learn how to connect your gaming consoles, Smart TVs, and wireless devices to your home WiFi network. Xfinity For full functionality of this site it is necessary to enable JavaScript. You shouldn't need to plug it in by usb, if yoiu have the wireless adapter plugged in, the XBOX should ask for your security cvode when trying to connect, if you're not sure what your security code is, if it's WEP, look on the bottom of your router, if it's a WPA code, go to your router settings and look for it there, it should then just connect, that's all I had to do to set it up With increased speed, range and wireless security features, the Xbox 360 Wireless N Networking Adapter is your fastest connection to Xbox LIVE. Seamlessly download or stream HD movies, TV episodes, and games from Xbox LIVE Marketplace in full 1080p and 5.1 surround sound from anywhere in the house. To connect 360 wirelessly: Scan for wireless network with the name 2wire on it and the last 3 numbers should match the last 3 digits of the modem's serial number. Select the 2wire network. Enter the wifi key when prompted for a password and try to connect to the 2wire wireless network.