GSM-GPRS Arduino SIM900 ( you can test it before buy )

Overview

Unlock the power of cellular connectivity for your Arduino projects with the GSM-GPRS SIM900 Module from MOKWN. This compact and reliable module enables your projects to send and receive SMS, make voice calls, and access the internet via GPRS, making it ideal for remote monitoring, smart agriculture, and IoT applications. Each module is tested before shipping to ensure it arrives in perfect working condition, so you can start building with confidence.

Key Features

• Dual-band GSM/GPRS: Works on 900/1800 MHz frequencies, compatible with networks in Egypt and worldwide.
• Serial communication: Simple UART interface for easy integration with Arduino, Raspberry Pi, and other microcontrollers.
• SMS, voice, and GPRS: Supports sending and receiving SMS, making calls, and establishing GPRS connections for data transfer.
• Onboard status LEDs: Visual indicators for power and network status, simplifying troubleshooting.
• Tested before shipping: Every unit is verified for functionality, ensuring a smooth unboxing experience.

Technical Specifications

• Chipset: SIMCom SIM900
• Frequency Bands: GSM 900 MHz, DCS 1800 MHz
• GPRS Multi-slot Class: 10/8
• GPRS Mobile Station Class: B
• Operating Voltage: 5V (logic level), 3.4V ~ 4.5V (module)
• Power Supply: 12V/1A recommended via DC jack or power adapter
• Communication Interface: UART (TTL level)
• SIM Card Slot: Standard SIM (1.8V/3V)
• Antenna Connector: SMA (with external antenna included)
• Working Temperature: -40°C to +85°C
• Dimensions: 75mm x 55mm x 15mm

Applications & Use Cases

• Remote Monitoring: Send sensor data via SMS or GPRS for home automation, weather stations, or industrial monitoring.
• Smart Agriculture: Receive alerts on soil moisture, temperature, or irrigation status from remote fields.
• Security Systems: Implement SMS-based alarms for intrusion detection or fire alerts.
• IoT Prototyping: Build innovative IoT solutions that require cellular connectivity without Wi-Fi.
• Logistics and Tracking: Create simple GPS trackers combined with a GPS module for asset tracking.

What's Included

• 1x GSM-GPRS SIM900 Module (tested)
• 1x External GSM antenna
• 1x Power adapter (12V/1A)
• 1x UART cable (optional, depending on package)

Compatibility

• Arduino: Uno, Mega, Nano, Leonardo, and any board with a UART interface.
• Raspberry Pi: Works with Python and C libraries via serial.
• Other microcontrollers: STM32, ESP32 (with level shifting), PIC, etc.
• Operating systems: Windows, Linux, macOS (for development).

MOKWN Recommendation

For Egyptian makers and engineers, the GSM-GPRS SIM900 module is a must-have for any project requiring cellular connectivity. Its robust design and tested reliability make it a solid choice for both beginners and professionals. Pair it with an Arduino Uno from MOKWN and a SIM card from any Egyptian provider (e.g., Vodafone, Etisalat, Orange) to get started. We recommend using an external 12V power supply for stable operation, especially when sending SMS or during GPRS data sessions.