Amazon is currently listing a Micro Keyboard for HP iPAQ 4100 and 2200 Series Pocket PCs. The product is from Hewlett Packard Office and will be released on November 1, 2003. The regular retail price is listed as $39.99, though Amazon is currently offering the item for preorder at $37.99 with free SuperSaver shipping. No other information is available at this time, aside from a listed shipping weight of one pound.
The Micro Keyboard is currently available for preorder at the Amazon web site.