Wireless Network

I have a T3 and recently installed a wireless network in my home and I 
have wireless access at work.  Would I need anything besides a T3 Wi-Fi 
card to access wireless networks?

From the Palm Site

Connect anywhere you have Wi-Fi access - at home, the office or at 
hotels, cafes and airports using Wi-Fi (802.11b, channels 1 - 11) 
wireless technology. Send and receive email, browse the web, even 
wirelessly synchronize with your computer (may require additional 
service plans, software and equipment). 

Conserves battery life with low-power standby mode 
Includes PPTP VPN client for secure access to corporate networks 
Supports WEP encryption with 64 or 128 bit key length 
P10952U