iPAQ 310 Travel Companion GPS Information Center
In addition to the 2008/2009 family of iPAQ Windows Mobile PDAs and Smartphones, HP released one device built entirely around GPS navigation. The iPAQ 310 Travel Companion is that device and the successor to the rx4000 and rx5000 Series models released in 2006. The iPAQ 310 adds several new features designed to make it more usable on the go.
Like it Windows Mobile sibling, the iPAQ 210 Enterprise Handheld, the iPAQ 310 has a VGA display which allows for high-resolution map viewing and better quality video playback. The 310's display is a WVGA, however, with a 4.3" widescreen format boasting 800 x 480 resolution. Another feature of the iPAQ 310 worth noting is its 2GB of internal flash storage, which makes the unit ideal for large file storage; if you need more storage, you can add space by way of the SDHC flash memory card slot.
In addition to the onboard GPS receiver, the iPAQ 310 includes a removable 1700mAh Li-Ion battery for long battery life, integrated Bluetooth, and 125MB of system memory (RAM). The integrated Bluetooth allows you to use the 310 as a hands-free phone device in your car or truck.
It's worth noting that while the iPAQ 310 runs on Windows CE 5, the foundation of the Windows Mobile operating systes, it does not run Windows Mobile; the CE operating system has been customized by HP and will be familiar to those who are used to Windows Mobile, but there are significant differences.