SIM868 development board GSM GPRS Bluetooth GPS module

Detail SIM868 development board GSM GPRS Bluetooth GPS module

Module description

1.RTC backup power: The RTC is powered after the device is powered down.

2. GPS power control pin: used to control whether the GPS part of the module has power, which saves power.

3. GSM antenna interface: Connect to the GSM GPRS antenna, which is the IPX-MINI type antenna interface.

4. DC-DC module: MSP series high reliability power chip is used, and the power enable pin is taken out.

5. Main serial port and power pin: The serial port is compatible with 3.3V and 5V controllers, and supports mainstream MCUs such as 51 STM32.

6. Active GPS antenna: Connect to the GPS antenna. The antenna interface is IPX-MINI type.

7. Headset mic interface: used to solder the voice mic interface, you can achieve the phone function. (We have mics and speakers for sale).

8.MIC SIM card holder: In-line SIM card holder, when the card is inserted, the SIM card is facing outward, and supports various mobile phone cards

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