1.GPRS connectivity 2.SMS & calling support 3.Dual-band GSM/GPRS 900/1800 (850/1900MHz Optional) 4.Glonass /GPS dual ... support SIRF A5+GSM/GPRS 1.5 inch TFT touch screen, resolution: 800*4802 ... operation methods: touch screen6. Functions: Navigation, MP3, MP4, Photo, Ebook7. GSM(SMS/CALLING)+GPRS+Tracker(Optional)8. Precision of Locating:Less ...