... : Centrality, At last 3,AT642D,ARM9,Samsung3. IC: Sirf Star three4. Operating system: Microsoft WinCE.NET 5.05. Storage: internal ... Music, Photo, Ebook, FM Transmit, Blue Tooth8. Numbers of signal receiver: 20 Channels9. Precision of Locating: Less than 10m 10. Antenna ... : with GPS internal Antenna and reserved external GPS Antenna jack 11. Battery: with 1400mAH built ...