We have an update folks!!
The HP iPAQ Bluetooth Keyboard Driver Update Driver is for the following products: HP iPAQ h3800 Pocket PC series, HP iPAQ h2200 Pocket PC series, HP iPAQ h4100 Pocket PC series, HP iPAQ h4300 Pocket PC series, HP iPAQ h5100 Pocket PC series, HP iPAQ h5500 Pocket PC series, HP iPAQ h6300 Pocket PC series, HP iPAQ rx3100 Mobile Media Companion series OS: Microsoft Windows for Pocket PC 2002, Microsoft Windows for Pocket PC 2003 Version: 1.0.0.1
You can find the driver update HERE