SIM900A V4.0 GSM/GPRS Wireless Communication Module Kit – SIM900 Board with Antenna for Arduino & Microcontroller Projects
SIM900A V4.0 GSM/GPRS Wireless Communication Module Kit – SIM900 Board with Antenna for Arduino & Microcontroller Projects
The SIM900A V4.0 GSM/GPRS Module Kit is a reliable and cost-effective wireless communication solution designed for Arduino, Raspberry Pi, and other microcontroller platforms. This module enables your projects to send and receive SMS, make and receive calls, and connect to the internet via GPRS, making it ideal for IoT, remote monitoring, and automation applications.
Equipped with the tested SIM900A GSM chip, the module supports quad-band 850/900/1800/1900MHz networks (region-dependent), and comes with an onboard antenna for stable signal reception and extended range.
🔧 Key Specifications:
Model: SIM900A V4.0
Network Support: GSM/GPRS, Dual-band (900/1800 MHz)
Power Supply: 5V regulated input (via Arduino or external power)
Communication Interface: UART (TX/RX) – serial communication
SIM Card Slot: Standard SIM (2G supported)
Antenna Type: External GSM Antenna included
Baud Rate: Configurable, default 9600bps
Board Compatibility: Arduino UNO, Mega, ESP8266, NodeMCU, STM32, etc.
Form Factor: Compact PCB design with LED indicators
Customize PCB
Customize PCB
Need help building your PCB Message us on Facebook!
📩 INQUIRE with us on Messenger
How to Request a PCB Layout/Design:
- Send your complete schematic or diagram via our Facebook page.
- We will assess your diagram and provide a quotation based on the complexity and requirements.
PCB Layout & Design Rules:
- All diagrams must be clear and properly labeled.
- Specify the desired board size, number of layers, and component types if applicable.
- Rush requests may incur additional charges.
- We do not accept hand-drawn or incomplete schematics.
- Files will be delivered in Gerber and/or PDF format as requested.
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Learn With CraftedTech Engineering
Learn With CraftedTech Engineering

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