Nokia N810w is a WiMAX enabled device launched on on 1 April 2008 at CTIA in Las Vegas. It is based on the Nokia Nseries platform. It has 4 grams of added weight and support of WiMAX (IEEE 802.16e standard are no differences from the N810 known. The device is no longer produced. The end of August 2009 announced the successor of Nokia N810 - N900. In early December, the first series of devices shipped in Germany . The N900is a fully functional phone. Moreover, it has a 5-megapixel camera and 32 GB of flash memory. The screen size is reduced to 3.5" . It is smaller and lighter than its predecessor. The special feature of the Nokia Internet Tablet is the open-source Firmware Maemo. Maemo is based on technologies of the Debian GNU / Linux project, and X11, GTK + and D-Bus. With this approach Maemo can concentrate many external resources, and the porting effort for further software is low. This platform makes the software development as easy as getting a Motor Trade Insurance from autonetinsurance. As a focal point for the firmware development has launched the Nokia Maemo project to life, which is the official development platform for the software and provides developers with documentation and all other development tools.