SIM800C GSM/GPRS Module Development Board with Bluetooth Support (5V/3.3V TTL, IPEX Antenna)

Description

Technical Details

• Module: GSM Module GPRS SMS Voice Phone Development Board SIM800C
• Communication: GSM, GPRS, SMS, Voice
• Chip: SIM800C
• Connectivity: Quad band (850/900/1800/1900MHz)
• Control Interface: AT commands via serial port
• Power Input: DC 5V or VBAT (lithium battery)
• MCU Level Compatibility: 5V / 3.3V TTL logic
• Bluetooth: Supported
• Logic Converter: 5V/3.3V compatible
• SIM Card Slot: On-board
• Antenna: IPEX interface
• Physical Dimensions: 31mm x 27mm
• Weight: 8g

Pin Description

• 5V: power supply pin, the only input DC5V, used to power the board.
• V_TTL: access control board microcontroller core target voltage of 5V / 3.3V (according to its own microcontroller is much to distinguish – kernel v), this pin is used to convert the GSM module board TXD and RXD for the corresponding TTL logic.
• GND: power supply ground
• TXD: Send pin serial port module, TTL level (not directly connected to RS232 level)
• RXD: receive pin serial port module, TTL level (not directly connected to RS232 level)
• DTR: Data Terminal Ready
• SPKP: Core Audio output pin
• SPKN: Core Audio output pin
• MICN: Core Audio input
• MICP: Core Audio input
• RI: Ring core pin tips
• VRTC: RTC pin external battery
• GND: power supply ground
• PWX: This pin can turn down or turn off the module
• GND: power supply ground
• VBAT: lithium battery input pin, 3.3v-4.4v

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