GP4000A is upgraded from GP4000 for the customized requirements of dual SIM card, which not only can support 2 SIM cards at the same time, but also can switch from one SIM card to the other automatically if the current network disconnects.

GP4000A is mainly applicable to the vehicle monitoring and management in the unstable network area and cross-border transportation.


E-mail:Jointech001@vip.sina.com