SainSmart Raspberry Pi SIM900 GSM/GPRS Module Adapter
Best cellular connectivity solution for DIY Raspberry Pi hardware projects.
This is the most straightforward way to give your DIY projects a cellular heartbeat. While you will have to wrestle with AT commands to get it talking, the low-power design and compact footprint make it the perfect choice for remote, battery-operated sensors that need to stay connected anywhere.
$51.99
Who it's for
- Developers seeking extensive community resources and troubleshooting support
- Makers building remote monitoring systems needing reliable cellular connectivity
- Raspberry Pi hobbyists wanting a straightforward, plug-and-play hardware setup
Who should skip it
- Beginners intimidated by manual serial interface and AT command configuration
- Users living in regions where 2G networks are already decommissioned
- Project builders needing a simple, low-power, battery-operated solution
Performance breakdown
Connectivity Versatility
Quad-band support ensures reliable global cellular access for most remote projects.
Integration Ease
Breadboard-friendly design simplifies prototyping but requires careful wiring for stable connections.
Power Efficiency
Impressive sleep mode consumption makes it viable for long-term battery-powered deployments.
Command Accessibility
Standard AT command set offers a familiar, well-documented interface for developers.
Thermal Resilience
Wide operating temperature range handles harsh industrial or outdoor environments with ease.
Hardware Compatibility
Raspberry Pi HAT compatibility streamlines setup, though physical bulk can be tricky.
Key Specs
Frequency Bands
Quad-Band 850/900/1800/1900 MHz
GPRS Compliance
Multi-slot class 10/8, Mobile station class B
GSM Phase Compliance
Phase 2/2+
Transmit Power
Class 4 (2 W @850/900 MHz) and Class 1 (1 W @1800/1900MHz)
Control Method
AT commands (GSM 07.07, 07.05 and SIMCOM enhanced AT Commands)
Power Consumption
1.5mA in sleep mode
Operating Temperature Range
-40°C to +85 °C
Form Factor
Breadboard friendly
Programming Interface
USB-UART
Power Source Options
USB
Know before you buy
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