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GSM SIM800C Development Board GSM GPRS Module

GSM SIM800C Development Board GSM GPRS Module

The SIM800C Module is a compact and reliable quad band GSM GPRS communication solution designed for voice, SMS, and data transmission with low power consumption. Operating across the 850, 900, 1800, and 1900 MHz frequency bands, it is well suited for embedded systems, IoT devices, and industrial applications. The module supports GPRS data services, audio communication, and extensive AT command control, making it easy to integrate with microcontrollers such as Arduino. Its wide operating voltage range and robust feature set allow stable operation in a variety of environments.

Package Includes

  • 1 x SIM800C GSM GPRS Module
GSM Board
72.45 AED 72.45 AED (Tax included)

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Features

  • Quad band GSM operation at 850, 900, 1800, and 1900 MHz
  • Supports voice calls, SMS, and GPRS data transmission
  • Low power consumption suitable for embedded applications
  • Embedded TCP and UDP protocol stack
  • SMS support including MT, MO, CB, text, and PDU modes
  • Optional Bluetooth 3.0 support
  • Controlled via standard AT commands
  • RS232 and LVTTL communication interfaces
  • RTS and CTS hardware flow control support
  • Onboard debug port for development and testing
  • 3.5 mm audio jack for microphone and earphone
  • SMA antenna connector for external GSM antenna

Specifications

  • Frequency bands: 850, 900, 1800, 1900 MHz
  • Transmitting power: Class 4 at 2 W for 850 and 900 MHz
  • Transmitting power: Class 1 at 1 W for 1800 and 1900 MHz
  • GPRS multi slot class: 12 or 10
  • GPRS mobile station class: B
  • Maximum GPRS data rate: up to 85.6 kbps
  • GPRS coding schemes: CS1, CS2, CS3, CS4
  • Operating temperature range: minus 40 to plus 85 degrees Celsius
  • Operating voltage: DC 5 V to 24 V
  • Maximum current requirement: up to 2 A
  • Baud rate support: 1200 bps to 460800 bps
  • Module dimensions: 62 mm x 52.5 mm

Arduino Compatibility

  • Designed for easy integration with Arduino Uno
  • Typical connection uses digital pin 2 to STXD and pin 3 to SRXD
  • Common ground connection required between Arduino and module
  • Controlled using AT commands through serial interface

Jumper Settings

  • PKEY and VBAT shorted enables automatic GSM power on
  • PKEY and VBAT open requires long press on PKEY to power on
  • SRXD to RTXD and STXD to RRXD shorted enables RS232 communication
  • SRXD to RTXD and STXD to RRXD open enables MCU or Arduino communication

Additional Information

  • The module status is indicated using onboard LED signals
  • Power and serial connections are required for basic operation
  • All functions are accessible through AT command control