Description Very mini size SIM868 development board, good for embeddable projects. Only keep the basic 2G(GSM, GPRS), and GNSS functions ( GPS/GLONASS/BDS). Compatible (power and logic) design, easy and simple to connect to any MCU system. Board Features: 3.3V/5V Uart serial interface logic signal compliant, can work with arduino, raspberry pi, esp8266, etc. On board network LED and 1PPS led. Nano type size (iphone type) sim card holder. Solid power, include a large power capacitor. IPEX GSM and GPS anntena Support button boot up module or by MCU GPIO. Lead out RTC pin, with backup battery, GPS retrieve more quickier with backup data, and also backup RTC time. Pin definition are NOT printed on board, please check attached image. Shipment only includes the main board, not includes any antenna which needs. Documentation please see on this page.
