SIM900 GSM Shield
Category: shield
₦12000.00
The GSM Shield is an Arduino-compatible expansion board that enables mobile communication for sending/receiving SMS, making calls, and connecting to the internet via the GSM network. Ideal for IoT, remote monitoring, and automation projects.
Key Features
Compatible with Arduino UNO, Mega, and Nano (via adapter)
Supports SIM card (2G/3G depending on variant) for GSM communication
Enables SMS sending/receiving, voice calls, and mobile data
Serial communication interface for easy Arduino integration
Supports Arduino IDE GSM libraries
Stackable shield design for combining with other shields
Ideal for remote control, IoT, and telemetry projects
Detailed Description
The Arduino GSM Shield allows your Arduino projects to communicate over mobile networks. It can send and receive SMS messages, make voice calls, and connect to the internet using GPRS, making it perfect for IoT devices, remote monitoring systems, and mobile-enabled robotics projects.
This shield uses a SIM card and communicates with Arduino via serial interface, making integration straightforward with Arduino sketches. It is commonly used in security systems, vehicle tracking, home automation, and educational IoT experiments.
With a stackable design, the GSM Shield can be combined with sensors, motor shields, and display shields to create fully functional mobile-controlled systems.
Technical Specifications
Shield Type: GSM Communication Shield
Compatible Boards: Arduino UNO, Mega, Nano (via adapter)
SIM Card Support: Mini/Standard SIM (2G/3G depending on module)
Communication Interface: UART Serial (TTL logic)
Network Support: GSM/GPRS
Power Supply: 5V DC (shield) / 7–12V DC (Arduino board)
Current Requirement: Up to 2A peak during GSM transmission
Mounting: Stackable Arduino shield
Libraries Supported: Arduino GSM, SoftwareSerial
What’s in the Box
1 × Arduino GSM Shield
1 × SIM card holder (built-in)
1 × User guide / documentation (optional)
Ideal For
IoT projects with mobile connectivity
Remote monitoring and control systems
SMS and call-based alert systems
Vehicle tracking and home automation
Arduino learning kits and educational projects
Important Note
The GSM Shield requires a working SIM card with active credit or data plan. Ensure proper voltage supply to avoid damage. Peak current during transmission may require an external power supply for reliable operation.