SIM900 GPRS/GSM Shield
KSh 3,100.00
Only 3 left in stock
The SIM900 GSM/GPRS Shield is a quad-band GSM module based on the SIMCom SIM900 chip. It allows Arduino and other microcontrollers to communicate over a mobile network for SMS, voice, and GPRS data. Designed in a shield format, it easily stacks onto an Arduino UNO or Mega, enabling plug-and-play wireless communication.
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Key Features:
✔ GSM/GPRS Quad-band: 850/900/1800/1900 MHz – works globally
✔ Supports:
• SMS (send/receive)
• Voice call (make/receive)
• GPRS (data connection for internet access)
✔ Power Supply: 5V via Arduino or external power (recommended for reliable performance)
✔ SIM Card Slot: Standard SIM size
✔ Antenna: External antenna included for stronger signal
✔ TTL Serial Interface: Communicates with Arduino via UART (TX/RX)
✔ Onboard MIC and Speaker Jacks for voice features
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Applications:
🔹 SMS alert systems
🔹 Remote monitoring and control
🔹 IoT devices with mobile data
🔹 GPS/GPRS-based tracking systems
🔹 Home automation over mobile network
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