The Nextar Q4-01 navigation system provides 1.6-million points of interest, including hotels, shopping centers, gas stations, and restaurants. Instant route recalculation is provided in case a driver misses a turn. Digital map data is supplied by NAVTEQ, the preeminent provider of comprehensive digital map information for automotive navigation systems. Other features include storage capability for up to 300 addresses of favorite destinations, 2D and 3D map-viewing modes with built-in compass, a SD card slot for additional memory, and a built-in high-sensitive antenna. It also has the capability to play MP3 files and display JPEG images. A lightweight, built-in rechargeable Lithium-Ion battery supplies power. Model Q4-02 is a step up from the Q4-01. Similar in many ways to the Q4-01, it includes several key upgrades. In addition to having maps for the 50 US states, it includes maps for Canada and Puerto Rico, all pre-loaded on one 4GB SD card. The Q4-02 also includes an extended six-million points of interest…