The GC618 is equipped with IP68 waterproof and dustproof to meet hardware requirements in harsh communication conditions. Intelligent noise reduction can maximize call clarity, and the 2600mAh ultra high performance large battery cell is sufficient to support ultra long communication. The dual card configuration for automatic switching can automatically seamlessly switch between the two best telecom service providers in the communication environment, maximizing signal stability. GPS positioning services can confirm location information in real-time and record communication location trajectories.