Application: Security, alarm system
Main Control Chip: STM32F103
Processor: ARM Cortex-M3 MCU with 72MHz main frequency
Main Features:
路 Comes with "110", "119" and "Local" buttons, only one press and you can get through (other telephone numbers can be set)
路 Supports 4G full netcom including China Mobile, China Unicom and China Telecom
路 Built-in Micro SIM card