Vehicle GPS Tracker With Anti Jamming

We are offering vehicle gps tracker with anti-jamming and arm/disarm function ev 603ag.
1. Gsm and gps anti-jamming function\r2. Real time tracking by gps satellite.\r3. Real time tracking by celllocate, location based on cellular network, users are able to track in building, underground and garage etc.\r4. Water proof and dust-resistant (ip66 rating).\r5. Internal gps&gsm antenna. High sensitivity.\r6. Inbuilt 3d g-sensor for power management and motion, shock alarm.\r7. Free real-time web based online tracking service.\r8. Arm/disarm function to protect your car/motorcycle.\r9. Reply maps link and car\'s real address (city, street, etc by sms).\r10. Geo-fence management.\r11. Over speed alarm.\r12. Listen in function.\r13. Car power lost alarm, low power alarm.\r14. Remote engine/oil cut-off by sms and website. \r15. Inputs detections for acc on/off, sos panic button or door open/close.\r16. Output: remote lock/unlock door or siren sounding. \r17. Built-in relay and 8mb flash memory.\r18. Data logging: 60000locations.\r19. Gprs blind area data re-upload function.\r20. Firmware upgrade over the air.\r21. Built-in 3cs super magnets to mount device to any metal surface.\r22. Backup battery: 1000mah. \r23. U-blox gps chip technology.\r24. Customize available.\r\r2\r1, gsm and gps anti-jamming function\r2, tracking by gps satellite and gsm base station both even in building, underground and garage (double-positioning)\r3, waterproof and dust-resistant (ip66 rating)\r4, internal gps and gsm antenna, high sensitivity\r5, built-in 3d g-sensor for power management and motion, shock alarm\r6, free real-time web based online tracking service\r7, arm/disarm function to protect your car/motorcycle\r8, reply maps link and car\'s real address (city, street and more by sms)\r9, geofence management\r10, over speed alarm\r11, listen in function\r12, car power lost alarm, low power alarm\r13, remote engine/oil cut-off by sms and website\r14, inputs detections for acc on/off, sos panic button or door open/close\r15, output: remote lock/unlock door or siren sounding\r16, built-in relay\r17, built in 8mb flash memory\r18, data logging: 60,000 locations\r19, gprs blind area data re-upload function\r20, firmware upgrade over the air\r21, built-in 3cs super magnets to mount device to any metal surface\r22, backup battery: 1,000mah\r23, u-blox gps chip technology\r24, customized specifications are welcome