SIM808 Modul GSM GPRS GPS Entwicklung Board SMA With GPS Antenne for Arduino
Description: 1.Three power input interface: DC044 interface and V_IN and a lithium battery interface. Note that: The range of DC044 and the V_IN pin voltage input is 5 - 26V, when use the 5V as the power, be sure that the power supply can provide 2A current. The range of voltage of Lithium battery input power is 3.5 - 4.2V. 2. Switch: It is used to open / close the input power supply for the module. When in use, please confirm the toggle switched to the OPEN state (near the board inside). 3. SMA antenna interface: there is a GSM antenna interface, a GPS antenna interface onboard and a BT antenna interface. 4. Start button: When the board is power on, the LED (PWR) will light up. After a long press (about 2 second) on this button, the other three LEDs will be light. And one of them starts.
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