Description
he SIM900 Development Board encapsulates the powerful SIMCom SIM900 module—featuring a quad‑band GSM/GPRS chipset compatible across 850/900/1800/1900 MHz networks—within a user-friendly carrier board with built-in antenna connector and SIM card slot. Controlled via UART and AT commands, this board effortlessly handles voice, messaging, and TCP/UDP-based data connectivity.
Whether for Arduino, Raspberry Pi, or custom microcontroller systems, the SIM900 board provides robust wireless communication, ideal for remote sensors, telemetry, GSM-enabled control, and more. Easily expand your device capabilities without needing Wi-Fi or Ethernet.
Technical Specifications
| Specification | Detail |
|---|---|
| GSM Band Support | Quad‑Band: 850 / 900 / 1800 / 1900 MHz |
| GPRS Speed | Multi‑slot Class 10/8 (up to 85.6 kbps) |
| Voice / SMS / Fax | Supported via AT commands |
| Communication Interface | UART (up to 115,200 bps, TTL) |
| Power Requirements | 3.4 V – 4.5 V DC (peak during GPRS up to 2 A) |
| Power Consumption | Sleep: ~1.5 mA; Idle: ~20 mA; Transmit: ~200 mA; Peak: ~2 A |
| SIM Interface | Accepts 1.8 V / 3 V SIM cards |
| Antenna Connector | SMA or equivalent for external antenna |
| Operating Temperature Range | –40 °C to +85 °C |
| Dimensions | Compact board size (approx. 78 × 54 mm) |
What’s in the Box
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1 × SIM900 Development Board with embedded SIM900 module
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1 × External antenna connector (antenna may be optional)
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1 × SIM card slot on-board
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(Optional) power cable or mounting headers, depending on SKU
Key Features & Benefits
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Global Compatibility: Quad-band support ensures GSM network access virtually anywhere
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Versatile Connectivity: Supports voice, SMS, and packet-switched GPRS data
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Easy to Integrate: UART interface and AT command control make it plug-and-play for microcontrollers
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Compact & Robust: Small footprint with built-in SIM holder and antenna support
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Low Power Modes: Efficient power saving for battery-based deployments
Ideal for: remote data loggers, SMS-alert systems, telemetry, anti-theft tracking, vehicle monitoring, and DIY GSM-enabled IoT devices.
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