SainSmart TC35I SMS Module Board
Best affordable cellular communication tool for experienced electronics hobbyists.
A reliable, legacy-style solution for adding cellular communication to embedded projects. It simplifies the integration of SMS and voice capabilities, making it a practical choice for remote monitoring and control applications.
$28.99
Who it's for
- Developers seeking straightforward communication protocols for embedded projects
- Hobbyists building portable or discreet remote monitoring devices
- Makers creating automated alert systems for home security or sensors
Who should skip it
- Users in regions where 2G infrastructure is no longer supported
- Beginners expecting to power the module solely via USB ports
- Engineers deploying projects in remote locations with weak cellular signals
Performance breakdown
Command responsiveness
Standard AT command set ensures predictable, reliable communication with most microcontrollers.
Integration ease
Serial interface setup is straightforward for those familiar with basic electronics.
Signal reliability
Dedicated antenna provides stable reception, though limited to older 2G bands.
Hardware compatibility
Seamlessly pairs with Arduino platforms for quick prototyping and deployment.
Build durability
Functional PCB design, though exposed components require careful handling during installation.
Network versatility
Restricted to 900/1800 MHz bands, limiting usability in modern cellular networks.
Key Specs
Module
TC35I
Communication Interface
Serial (RS232/TTL)
Operating Voltage
12V
Frequency Bands
900 MHz, 1800 MHz
Compatibility
Arduino UNO R3, Arduino Mega2560 R3
Package Contents
1x GSM development board, 1x GSM antenna
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