Description: 1. Overview: The SIM800 GSM Modem module board is a compact, all-in-one solution for adding cellular connectivity to IoT projects and other applications. It includes an embedded SIM800L chipset with integrated antenna, making it easy to use without the need for external components. 2. Connectivity: This GSM modem supports both 2G and 3G networks with a wide range of frequency bands, providing global connectivity options. It also includes an SMA connector for an external antenna if greater signal strength is required. 3. Functionality: The module supports various protocols like AT, SMS, USSD, GPRS, EDGE, and 3G data communication. Users can send and receive text messages, make voice calls, and access the internet using a computer or microcontroller connected via serial or USB interface. 4. Ease of Use: The module comes pre-programmed with the necessary firmware, making setup straightforward for users. An onboard LED indicates power status and network connectivity. Additionally, it o
| Specification | Details |
|---|---|
| Communication Protocol | GPRS EDGE GSM 850/900/1800/1900 MHz |
| Modem Type | Quad-Band GSM Module |
| Antenna Interface | SMA Antenna Connector |
| Operating System | Supports multiple operating systems (e.g. Linux Android) |
| Power Supply | 3.7V to 4.2V DC Power Source |
| Operating Temperature | -40°C to +85°C |
| Humidity | 20% to 80% relative humidity |
| Dimensions | 27mm x 15.5mm x 3.7mm (LxWxH) |
| Weight | approximately 12g |
| Data Transfer Speed | Up to 85.6 kbps (GPRS) up to 236.4 kbps (EDGE) |
| Supported Functions | SMS MMS HTTP FTP SMTP POP3 etc. |
| Interface | UART (TXD RXD GND) GPIO (2-5 V) |
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