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GSM Ai-Thinker A9 GPS GPRS Module

GSM Ai-Thinker A9 GPS GPRS Module

The GSM Ai Thinker A9 GPRS Module is a compact quad band GSM and GPRS modem designed for a wide range of IoT and embedded communication applications. It provides functionality similar to a mobile phone, including sending and receiving SMS messages, making and receiving voice calls, and connecting to the internet using GPRS with TCP and IP support. Thanks to quad band operation, the module can be used worldwide and easily integrated with platforms such as Arduino and Raspberry Pi. With additional GPS capability, low power operation, and multiple communication interfaces, the A9 module is well suited for home automation, industrial control, wearable devices, wireless tracking systems, and general IoT projects.

Package Includes

  • 1 x GSM Ai Thinker A9 GPRS Module
GSM GPS Board
59.90 AED 59.90 AED (Tax included)

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Features

  • Quad band GSM and GPRS operation for worldwide compatibility
  • Supports SMS text messaging, voice calls, and GPRS data communication
  • Integrated TCP and IP stack for internet connectivity
  • Built in GPS support for location based applications
  • Low power consumption suitable for battery powered projects
  • Compatible with Arduino, Raspberry Pi, and other microcontrollers
  • Supports standard AT command sets for easy control
  • Multiple communication interfaces including UART, I2C, USB, GPIO, ADC, and SDMMC
  • Supports Micro SIM cards at 1.8 V and 3 V
  • Pad type antenna interface for GSM and GPS

Specifications

  • Model name: A9G
  • Package type: SMD54
  • Module size: approximately 18.8 mm x 9.2 mm x 2.7 mm
  • Operating frequency bands: 850, 900, 1800, 1900 MHz
  • GPRS multislot class: Class 12
  • GPRS mobile station class: Class B
  • Transmit power: Class 4 at 850 and 900 MHz, Class 1 at 1800 and 1900 MHz
  • Power supply voltage: 3.5 V to 4.2 V, typical 4.0 V
  • Current consumption: approximately 1.14 mA at DRX 5 and 1.03 mA at DRX 9
  • AT command standards: 3GPP TS 27.007 and 27.005
  • Maximum GPRS data rate: up to 85.6 kbps
  • GPRS coding schemes: CS1, CS2, CS3, CS4
  • PBCCH support: Yes
  • SMS support: point to point send and receive, cellular broadcast, text and PDU mode
  • Voice coding modes: HR, FR, EFR, AMR
  • Audio processing: echo cancellation, echo suppression, noise suppression
  • UART interfaces: 3 ports including firmware upgrade port
  • UART baud rate range: 2400 bps to 1843200 bps, default 115200 bps
  • GPS sensitivity: cold start minus 148 dBm, hot start minus 162 dBm, tracking minus 166 dBm
  • GPS boot time: cold start less than 27.5 seconds, hot start less than 1 second
  • GPS accuracy: horizontal positioning approximately 2.5 m to 3.5 m
  • Operating temperature range: minus 20 to plus 70 degrees Celsius

Communication Interfaces

  • UART for AT commands and data communication
  • I2C interface for peripheral expansion
  • USB interface for debugging and data transfer
  • GPIO pins for digital input and output control
  • ADC for analog signal measurement
  • SDMMC interface for external storage

Typical Applications

  • IoT home automation systems
  • Industrial wireless control and monitoring
  • Wearable electronics and smart devices
  • Wireless location and tracking systems
  • Remote data logging and telemetry
  • Embedded GSM and GPS enabled products

Operation Overview

  • Controlled using standard AT commands over a serial interface
  • Supports network registration, SMS handling, voice calls, and GPRS data sessions
  • GPS can be enabled or disabled via AT commands for location tracking
  • Designed for direct integration into custom PCB designs or development boards