SIM900A GSM Module

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৳1,050

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Detail Description

SIM900A GSM Module is a reliable and widely used wireless communication module based on the SIM900A chipset, supporting GSM 900/1800 MHz bands. It enables electronic systems to communicate over the cellular network for SMS sending/receiving, voice calls, and GPRS data communication.

The module communicates using AT commands via UART (TX/RX), making it easy to interface with Arduino, ESP32, Raspberry Pi, and other microcontrollers. It supports standard SIM cards and includes onboard SIM holder, antenna connector, and power regulation circuitry.

SIM900A is commonly used in SMS-based control systems, vehicle tracking, home automation, security alarms, remote monitoring, and IoT prototypes. Due to its stable performance and strong community support, it is suitable for students, hobbyists, and professionals working on GSM-based electronics projects.

🔹 Key Technical Information (Important)

Module Type: GSM / GPRS Module
Chipset: SIM900A
Frequency Bands: GSM 900 / 1800 MHz
Communication Interface: UART (TX, RX)
Supported Features: SMS, Voice Call, GPRS
Operating Voltage: Typically 5V – 12V
Control Method: AT Commands
External GSM antenna support

🔹 Common Applications

SMS-based control systems
GSM security and alarm systems
Vehicle tracking systems
Remote monitoring and alerts
Home automation projects
Arduino and IoT communication projects

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