This is one of the most elegant solutions to add wireless capability to your HP Jornada 720/728. When the retractable antenna is pushed in, the radio automatically disables. Give another push to reveal the antenna and reconnect to your wireless network. Included in your purchase is a custom driver utility developed by Alpaxo Software to permit this card to work on the Jornada 720/728 series of Handheld PC's. The utility also permits simple management of wireless profiles:

IMPORTANT: The card is for Jornada 720/728 only. It does not function on any other Windows CE devices! The wireless card is also compatible with most laptop computers running Windows 98, 2000, XP or Linux, but I do not provide any technical support for these platforms. The card supports 802.11b as well as 64-bit and 128-bit WEP encryption. For more information, please see the Manufacturer's Specifications.