DFR0355

  SIM808 GSM/GPRS/GPS Arduino IOT Board SKU:DFR0355       INTRODUCTION 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. The onboard SIM808 module includes an integrated quad-band GSM/GPRS and GPS satellite navigation module, and a 4 layer PCB integrates the microcontroller, microphone, headphone jack and GPRS/GPS, giving this board the tiny footprint of a regular credit card! Meanwhile, the board includes a sleep mode feature for extra-low power consumption. And an on-board 3.7V Lipo battery power supply and battery-charging circuit has been integrated into the board, making it ideal for applications such as real-time car tracking, security patrolling and IoT projects. Compared with the existing SIM808 modules on the market, this SIM808 uses the latest version with better stability. APPLICATIONS       GPRS network nodes  Remote communications  Satellite positioning  Real‐time car tracking systems  Security  Internet of things (IoT)  SPECIFICATION                            AVR Arduino MCU: ATmega32u4 (Bootloader: Leonardo)   Operating voltage: 5V  Input Voltage: 5V (USB)/7~23V(Vin)/3.5~4.3V (BAT)  Low‐power consumption: (100mA@7V‐GSM mode)  Digital I/O Pins: 20  PWM Channels: 7  Analog Input Pins: 12  DC Current per I/O Pin: 40 mA  DC Current for 3.3V Pin: 50 mA  Flash Memory: 32 KB (of which 4 KB is used by the bootloader)  SRAM: 2.5 KB  EEPROM: 1 KB  Clock Speed: 16 MHz  Wireless Module: SIM808 GSM/GPRS/GPS module   Quad‐band 850/900/1800/1900MHz – 2G GSM network  GPRS multi‐slot class 12/10  GPRS mobile station class B  Compliant to GSM phase 2/2+   o Class 4 (2 W @ 850/900MHz)  o Class 1 (1 W @ 1800/1900MHz)  Bluetooth: Compliant with 3.0 + EDR (Not open in this version)  Time‐To‐First‐Fix   o Cold starts: 30s (typ.)  o Hot starts: 1s (typ.)  o Warm starts: 28s (typ.)  Accuracy: Horizontal position 2.5m CEP  Update rate: 5Hz  Control: AT command (GSM07.07, 07.05 and SIMCom enhanced AT commands)  Dimension: 73*54mm / 2.87* inches  Weight: 50g  SHIPPING LIST    SIM808 with Leonardo mainboard x1  Built‐in Spring GSM Antenna x1  Built‐in GPS antenna x1                                                                          Powered By DFRobot © 2008-2017