Comprehensive Connectivity: Equipped with SIM900A and modules, this MINI V4.0 board ensures robust wireless data mission via GSM/GPRS. Ideal for integrating with for for various IoT applications. Enhanced Features: This kit includes a antenna that enhances signal strength and reliability, ensuring stable and efficient communication in different environments. Easy Integration: Designed for hobbyists and professionals alike, this module is easy to integrate with existing for projects, providing a seamless user experience and expanding capabilities of your projects. Versatile Applications: Perfect for remote data logging, security systems, automation, and more, making it a versatile choice for a wide range of electronic projects. Color: As Shown Material: plastic Package Contents: 1 set * development board Only above package content, other products are not included. Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.