
GSM GPRS Sim868 Module SMS Chip Development Board
GSM GPRS Sim868 Module SMS Chip Development Board
- Description
Description
SIM868 Development Board GSM / GPRS / Bluetooth / GPS Module 868MHz with Micro SIM Card Holder
RTC backup power supply: the device is powered to the RTC after power off.
GPS power control pin: It is used to control whether the GPS part inside the module has electricity to achieve the purpose of power saving.
GSM antenna interface: connect to GSMGPRS antenna, which is IPX-MINI type antenna interface.
DC-DC module: MSP series high-reliability power chip is used, and the power enable pin is led out.
Main serial port and power pins: The serial port is compatible with 3.3V and 5V controllers and supports mainstream MCUs such as 51STM32.
Active GPS antenna: The antenna interface of the GPS antenna is IPX-MINI.
MICROS SIM card holder: In-line SIM card holder, when the card is inserted, the SIM card slot faces outward



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