Model Number: Jointech-GP4000A-#5101 Brand Name: Jointech Key Specifications/Special Features: GPS car tracker with dual SIM card for mobile asset tracking solutionGP4000 is our classic tracker device for truck or mobile asset real-time position monitoring solutionProduct specification:1. I/O: 5 switch outputs, 6 switch inputs, 1 analog input, 1 pulse input2. SMS LCD screen with two voice communication (optional)3. Backup power: 8.4V 400mAh NiMH battery
4. Accuracy: position: 10 meters, 2D RMS 5 meters, 2D RMS, WAAS enabled
Velocity: 0.1m/s
Time: 1 us synchronized to GPS time
5. GSM module
Frequency band: SIM900MHz
Quad-band: GMS 850MHz, EGSM 900MHz, DCS 1800MHz, PCS 1900MHz

Product functions:
1. TCP/UDP/SMS transmission mode
2. Data flow control/power-saving mode: factory setting/definition by user/GPS module power off/GPS and GSM module power off
3. Management time of uploading: time reference/day reference/week reference
4. Three kinds alarms: GPRS/email/SMS
5. Total 64 pieces geo-fences setting/64 pieces hot spot
6. Supporting domain name
7. Blind area data supplementary uploading
8. History data storage (43200 pieces)
9. GPS antenna open/short detecting/automatic self-check/recover/protection
10. Built-in backup battery

Supports external device:
1. Dispatch screen (optional): dispatch screen (optional)/dispatch message exchange between driver and center
2. Fuel sensor (analog) (optional)/fuel sensor (digital) (optional)
3. CCD camera (optional)
4. RFID device (optional)
5. Password keypad (optional)
6. Bar-code scanner (optional)
7. Temperature sensor (optional)