SIM900A GSM/GPRS Module with Antenna
Key Features:
- Dual-Band GSM Support: 900/1800 MHz, optimized for use in Asia, Africa, and some European regions
- GPRS Data Connectivity: Supports TCP/IP, HTTP, FTP, and SMS functionalities
- Built-in SIM Card Slot: Compatible with 2G SIM cards for seamless mobile connectivity
- External Antenna Included: SMA connector antenna for strong and stable signal reception
- UART Serial Communication: Works with Arduino, ESP32, STM32, and Raspberry Pi
- Low Power Consumption: Operates on 4.5V – 5V DC
Technical Specifications:
- Model: SIM900A
- Operating Voltage: 4.5V – 5V DC
- Communication Interface: UART (TTL) Serial
- Network Support: GSM/GPRS 2G (900/1800 MHz)
- Board Size: 50mm × 48.3mm
- Weight: 24g
- Operating Temperature: -40°C to 85°C
Ideal for IoT & Wireless Communication
The SIM900A GSM module is perfect for remote monitoring, SMS-based control, and IoT applications. It allows wireless data transmission, SMS messaging, and voice communication, making it ideal for smart home devices, GPS tracking, and security systems.
Why Choose This Module?
✔ Optimized for GSM Networks in Asia & Africa
✔ Reliable Wireless Communication – Supports SMS, voice, and GPRS data
✔ Easy Integration – Works with Arduino, Raspberry Pi, and microcontrollers
✔ Includes Antenna – Ensures strong and stable signal reception
âš Note: The SIM900A module is region-specific and may not work in areas where only 850/1900 MHz bands are available.