Product Overview:
📦 The SIM900A / SIM900 V4.0 GPRS/GSM Shield Development Board is an essential tool for developers and hobbyists working with Arduino-compatible projects. This quad-band GSM module allows for seamless communication over various cellular networks. Compact and robust, it measures 49mm x 50mm and is designed to meet diverse technical requirements while being user-friendly.
🔧 Key Features:
- Power Supply Interfaces: The board offers two distinct power supply options: VCC5 for 5V (with a minimum current requirement of 1A) and VCC4 for a range of 3.5V to 4.5V, enabling flexibility in powering the module based on your project’s specific needs.
- Antenna Connectivity: Equipped with SMA and IPXmini antenna interfaces, the shield ensures you have robust connectivity options to optimize signal strength and reliability.
- Low Power Consumption: With features designed for low power operation, the module can enter a dormant state consuming as little as 10mA, helping conserve energy for battery-powered applications.
- Serial Port Support: This module is fully compatible with both 3.3V and 5V TTL logic levels, making it easy to integrate with a variety of microcontrollers and devices. The onboard serial port circuitry includes protective features to safeguard against voltage spikes.
- ESD Protection: The SIM card circuit is enhanced with an SMF05C ESD chip to protect against electrostatic discharge, ensuring durability and reliability in different operating environments.
- Clear Pin Documentation: Each interface is clearly labeled on the PCB, simplifying the development process and making it easier to troubleshoot and configure connections.
- Speech Interface: The board also includes a dedicated microphone interface allowing for voice communication projects.
🔍 Included Components:
The kit includes:
- 1 x SIM900A V4.0 GSM Shield
- 1 x Power Cable
- 1 x Antenna
Specifications:
- Dimensions: 49mm x 47mm
- Net Weight: 28g
- Total Weight: 38g
⚡ This versatile shield offers powerful capabilities for GSM-based applications, making it an exceptional choice for programmers looking to incorporate cellular communication into their projects. With its well-thought-out design and comprehensive features, the SIM900A / SIM900 V4.0 is ready to support your IoT and communication endeavors.
