The LEA-6H is a high performance stand-alone GPS and GALILEO receiver module designed to allow easy, straightforward migration from its LEA-4 predecessors.
SIM808 GPS/GPRS/GSM is an integrated quad-band GSM/GPRS and GPS navigation technology Arduino shield.
This is an Arduino Leonardo with SIM808 GSM/GPRS/GPS. The SIM808 with Leonardo mainboard is the latest Arduino board developed by DFRobot for multi-purpose applications.
This is a SIM900 GSM/GPRS module working under 3.3V. Unlike other GSM/GPRS modules, this modules works with most 3.3V system such as intel edison, and Arduino Due.