... the technical support! This is the GPS SR92 module for Arduino with a SD card slot.This GPS receiver comes with ... antenna and only needs 5 pins to talk to your Arduino or MCU.Pin 1: GND Ground Pin 2: VCC ... it to low if this pin is not used.For Arduino application, we recommend aspen board: http://www.soliddepot.com/ ... performance enhancements GPS Shield With SD Card Slot for Arduino ZIGBEE SMART HOME