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Use an Ethernet cable!
You need an online connection to use the PlayStation Store. A PS3 can connect with an ethernet cable or WiFi to your existing internet service
If the hotel has broadband WiFi you don't need the computer just use the PS3 WiFi connection and if it has Ethernet then plug the Ethernet cable in your PS3.
you don't PS3 must connect with ethernet cable or WiFi for the internet
For your PS3 connection you need WiFi or an ethernet cable that is connected to the internet. The HDMI cable only connects the PS3 to the HDTV and will not provide the internet connection.
PS3 must connect with a DSL or Cable broadband using WiFi or Ethernet cable only. The new PS Vita will connect with WiFi or for some models 3G when it is released on February 15 2012
You can not use a USB to connect the PS3 to Broadband only WiFi or ethernet cable
Use a CAT-5, also known as an Ethernet cable.
cat 5 Ethernet cable
You can use any cat 5 ethernet cable to connect the xbox 360 to the router.
PS3 must connect to the internet with the ethernet cable or the WiFi. It was not designed for a Dongle to be used in the USB port
A wireless adapter would be useless if you can use an ethernet cable. Save the money and just use a wired connection.