Many laptops are coming already capable of wireless access. Otherwise, a wireless PCMCIA card is required for access from laptop computers (Windows, MacOS and OS/X, Linux). *If you live within 1 mile of the access point, this is all you should need. LINKSYS (WPC54G) / 2.4GHz / 54Mbps / 802.11G WIRELESS LAN PCMCIA CARD *Note: In some cases, a high gain antenna and/or other equipment may be required.