1) Based on unblocks uN9111 GPS chipset
or base on eCompass e510
2) Built-in patch GPS antenna and
optional external GPS active antenna
3) Hot/warm/cold start time: 8/35/60s
4) L1, C/A code, NMEA-0183
5) Location accuracy: 10 meters
6) Search by name, category, address,
POI, Intersection, longitude/latitude
7) Routing options: recommended,
most use of freeways, avoid toll roads,
shortest distance/time, automatic re-routing
8) Voice turn-by-turn guidance
9) Dynamic pathway re-calculation on TMC events