In order to get set up at a Hotspot location, you will need a PC laptop with wireless(Wi-Fi) connectivity. Otherwise, you shouldn't need any new hardware or software. See below for other requirements.
Windows 2000
MS Windows XP
Service Set Identifier (SSID or network name) set to ANY default or carrier specific location name.
WEP security turned off
Internet Explorer V5.0+ with 128-bit SSL
Netscape Navigator V6.0+ with 128-bit SSL
JavaScript enabled
Cookies enabled
Proxy settings turned off
Pop-up window feature turned on (required for session management window)