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SIM900 GSM/GPRS Quad-Band Shield Board for Arduino, Audio Ports, Model
Selectable Serial Ports:UART interface via D0/D1 or D7/D8 on Arduino
GPIO/PWM/ADC Support:Yes
Antenna Interface:External antenna port
LED Indicators:Status LED, Network LED
Power Options:External source (4.8~5VDC) or directly from Arduino
Default UART Setting:19200bps 8-N-1 (adjustable via AT commands)
No Insulating Enclosure:Yes, recommended to install in a protective box
Power Key:Power on/off button for SIM900
Package Contents:1 x SIM900 GSM/GPRS Shield
The SIM900 GSM/GPRS Quad-Band Development Board for Arduino with Audio Ports is an advanced and reliable solution for electronics enthusiasts and developers seeking robust wireless communication for their projects. Manufactured by SIMCom, a leader in GSM technology, this shield enables seamless integration with Arduino platforms, providing instant connectivity to GSM and GPRS networks for a variety of smart applications such as remote appliance control, weather stations, wireless sensor networks, and vehicle tracking systems with GPS modules.
Technical Specifications:
- Brand: SIMCom
- Model: SIM900 GSM/GPRS Shield
- Origin: China
- Quad-band support: 850/900/1800/1900MHz
- GPRS multi-slot class 10/8, GPRS mobile station class B, GSM phase 2/2+ compliant
- Power output: Class 4 (2W @ 850/900MHz), Class 1 (1W @ 1800/1900MHz)
- Low power consumption: Only 1.5mA in sleep mode
- Audio ports: Headphone jack, microphone input, speaker output
- RTC (Real Time Clock) supported
- Selectable UART serial port: Hardware (D0/D1) or software (D7/D8) interface for Arduino
- GPIO, PWM, ADC pin breakouts for SIM900
- External antenna interface
- Status and network LED indicators
Key Features:
- Effortless integration with standard Arduino boards using dedicated pins
- Flexible power options: External (4.8~5VDC) or Arduino-based supply
- Supports voice calls, SMS sending and receiving
- Reliable performance even in low network coverage areas thanks to quad-band support
- Robust design suitable for industrial and home automation applications
- Visual LED indicators for easy monitoring of device and network status
Use Cases:
The SIM900 shield is an excellent choice for IoT projects including remote weather monitoring, energy management systems, smart home or industrial device control, sensor networks, and vehicle tracking. Its versatile design makes it suitable for use in environments such as homes, offices, factories, and educational laboratories.
Benefits:
- Enables smart projects to communicate via mobile networks from virtually anywhere
- Accelerates the development of efficient remote communication solutions
- Minimizes power usage, making it ideal for battery-powered applications
- Offers flexible connectivity and easy programming through multiple interfaces
Care Instructions:
- Ensure your SIM card is unlocked before use
- Avoid exposing the board to electrostatic discharge, especially in dry conditions
- The shield does not include an insulating enclosure; for protection, install it in a suitable case
- Default UART setting is 19200bps 8-N-1, which can be changed using AT commands
Invest in the SIM900 GSM/GPRS Shield from SIMCom and unlock seamless, reliable communication for your smart projects, backed by high performance and versatility across a wide range of environments.
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