GPS Development Board gs92 module SRIF Star III
GPS in the civil and military, navigation, space is widely used in the field. Many mountaineering outdoor enthusiasts also are equipped with GPS device, used for the wild navigation.
GPS adapt have different power supply system, we use the 3.3 V or 5 V two power supply mode.
Serial ports also provide TTL level and 232 level mode, the user to choose according to need different configuration.