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SIM900A GSM GPRS Wireless Module with Antenna

SKU: BC51D9K26G
The SIM900A GSM GPRS Wireless Module is a compact and reliable cellular communication module designed for SMS, voice calling, and GPRS-based data transmission applications. Built around the SIMCom SIM900A chipset, the module operates on Dual-Band GSM networks (900MHz and 1800MHz) and supports standard AT commands for easy integration with microcontrollers and embedded systems. The module comes with an external antenna...
Rs. 549.00
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Orders placed before 3 PM IST will be shipped on the same day (excluding Sundays and Public holidays) through our shipping partners. In rare cases, the pickup may get delayed during Public holidays / Bandh / Environmental disturbances.

Specifications

Specifications :

Module Type: GSM/GPRS Wireless Communication Module
Chipset: SIMCom SIM900A
Network Type: GSM/GPRS
Frequency Bands: EGSM 900MHz, DCS 1800MHz
GPRS Class: Class 10 (Default), Class 8 (Optional)
Communication Interface: UART (Serial)
AT Command Support: Yes
Supply Voltage: 3.4V – 4.5V DC
Typical Supply Voltage: 4V DC
Peak Current Requirement: Up to 2A during transmission
Baud Rate: 1200 bps – 115200 bps
SMS Support: Yes
Voice Call Support: Yes
GPRS Data Support: Yes
TCP/IP Stack: Supported
SIM Card Support: Single SIM
Sleep Mode Current: Approximately 1.5mA
Download Speed: Up to 85.6 kbps
Upload Speed: Up to 42.8 kbps
Antenna Type: External GSM Antenna
Audio Interface: Microphone and Speaker Support
Operating Temperature: -30°C to +80°C
Storage Temperature: -5°C to +90°C
Mounting Type: PCB Module
Control Method: AT Commands via UART Interface

Additional Resources

SIM900A.PDF

FAQ

1. What is the SIM900A GSM GPRS Module used for?

The SIM900A module is used for GSM communication applications such as sending SMS messages, making voice calls, GPRS data transfer, remote monitoring, and IoT-based projects.

2. Can the SIM900A send and receive SMS messages?

Yes, the SIM900A fully supports SMS functionality and can send, receive, read, and delete messages using AT commands.

3. Which microcontrollers are compatible with the SIM900A module?

The module can be interfaced with Arduino, ESP32, STM32, Raspberry Pi, PIC, AVR, 8051, and other controllers through UART serial communication.

4. What power supply is required for the SIM900A module?

The SIM900A operates from a supply voltage of approximately 3.4V to 4.5V and may require current peaks of up to 2A during GSM transmission.

5. Does the SIM900A module support internet connectivity?

Yes, the module supports GPRS data communication and TCP/IP connectivity, allowing it to access internet-based services and cloud applications over GSM networks.

View full product details

The SIM900A GSM GPRS Wireless Module is a compact and reliable cellular communication module designed for SMS, voice calling, and GPRS-based data transmission applications. Built around the SIMCom SIM900A chipset, the module operates on Dual-Band GSM networks (900MHz and 1800MHz) and supports standard AT commands for easy integration with microcontrollers and embedded systems.

The module comes with an external antenna for improved signal reception and can be interfaced with platforms such as Arduino, ESP32, STM32, Raspberry Pi, PIC, AVR, and 8051 microcontrollers through UART serial communication. It enables users to send and receive SMS messages, make voice calls, access GPRS data services, and develop remote monitoring and IoT applications.

With onboard network status indicators, SIM card support, and a simple AT command interface, the SIM900A is widely used in home automation, vehicle tracking, industrial monitoring, security systems, and wireless communication projects.

Key Features

  • Based on SIMCom SIM900A GSM/GPRS chipset
  • Dual-Band GSM operation (900MHz / 1800MHz)
  • Supports SMS sending and receiving
  • Supports voice calling functionality
  • GPRS data communication support
  • Standard AT command interface
  • UART serial communication interface
  • External antenna for improved signal strength
  • Compatible with Arduino, ESP32, STM32, Raspberry Pi, PIC, AVR, and 8051
  • Low power sleep mode support
  • SIM card interface onboard
  • Supports TCP/IP communication via GPRS
  • Compact and easy-to-integrate design
  • Suitable for IoT and M2M applications
  • Onboard status LEDs for power and network indicatio