7 inch GPS with GSM/GPRS RS232 - USB Host - Bluetooth, wifi, camera optional - SDK,customize - ODM RoHS C 7 inch GPS with GSM/GPRS, RS232, USB Host ( USB OTG, AVIN Cemara+ WIFI+ Bluetooth optional)1. SiRF Atlas IV/V chipset solution, ARM1136 core, 533MHz, 128M DDR.2. Built-in 4 Bands GSM/GPRS module (SimCom900 (EGSM900/ GSM1800/ 850MHz/ 1900MHz)3. Daul RS232 Serial Ports4. USB DEVICE AND USB HOST ...