quad band widely used in worldwide container/asset/boat/train gps tracking tracker

Specification                        

• CE and FCC certificates. 
• Open protocol and accept customization.
• Offer remote help in the installation and Operation Guide of the product and server for customers.
• 2-year warranty, Can replace new product within one year for any non-man made quality problem.
• Offer remote help in the installation and use of the product for customers. Life-time technical support.
• PC based and web based GPS tracking software for free for the first year.  Over 300pcs order quantity can enjoy free software to install on your own server.
  

A: 1. Wrong password. Please check your password.

    2. No GSM mobile signal or weak GSM network. Try later.

    3. Out of SIM credit. Please pop up.

    4. SIM is damaged. Change a sim card.

    5. SIM card is without sending function. Change a SIM or enable SMS sending function and caller identification function.

    6. SIM card isn't installed properly.

 Q: Is there a monthly charge for it to communicate with me. Does it require a cellulare service provider or something else?

A: Two communication ways: SMS ( just like one mobile phone to another) and GPRS ( monitor/manage the tracker on our tracking platform) . These two ways are both charged by your local telecom carrier, we don't charge for the SMS or GPRS fee.