• Built in SiRFstar III and tri band (GSM 900/1800/1900 MHz)
• Build-in G-sensor can help save battery power
• Battery:Li-ion(820mA)
  
• Dimension: 88.5 x 40 x 19.95 mm

• Support TCP/IP
• Store data in mini SD card while out of GPRS and resend data to server once GPRS online
• Speed alarm ; Low battery alarm
• Through USB, network, SMS setup program
• Can be customized modification the protocol to meet customer’s current call center
• Simple digital data logger, the interval data log by time or distance, and with 5 optional data sentences.

• Ct-Tracker-02 supports Google Earth and Google Talk.
• By using Google Earth, users can easily locate the tracker's position without extra expense.
• Ct-Tracker is built in SiRFstar III and tri band (default GSM 900/1800/1900 MHz)
• Data logger function
• GPRS class 12 ；20 channels tracking
• Build-in GSM, GPS Antenna
• Voice communication
• Emergency calls & Geo-Fencing control (SMS)
• Battery:Li-ion(750mA)
• Dimension: 88.5 x 40 x 19.95 mm

The Ct-AVL238 is a professional tracking system that has integrated powerful chips like the SiRFstarIII for GPS positioning - providing high sensitivity of up to -159 dBm and SIEMENS tri-band (900/1800/1900 or 850/1800/1900) wireless module that provides global coverage and the needed reliability.

Dimension: 95 x 89 x 35 mm