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SIM900A GSM/GPRS Module (Raspberry Pi & Arduino Compatible)

Add this SIM900A GSM / GPRS Module to your projects to use a GSM cell phone network for wireless communications.

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Tinkersphere

TS1060

$39.99

This SIM900 GSM / GPRS Module is useful for using a cell phone network to talk to your microcontrollers wirelessly. Just wire it up to your microcontroller and you'll have quad-band GSM network access anywhere in the world! Pop in a GSM simcard to send/receive calls and messages from your projects like you would with a cell phone. There are three protocols you can use to send messages: Short Message Service, Audio, or GPRS Service.

Specifications:

    • Supports standard size GSM sim cards
    • Chipset: SIM900A
    • Quad-Band 850 / 900/ 1800 / 1900 MHz (works on GSM networks in any country)
    • The module is configured and controlled using simple AT commands via the onboard UART:
      • Standard Commands: GSM 07.07 & 07.05
      • Enhanced Commands: SIMCOM AT Commands
    • Has Short Message Service - so that you can send small amounts of data over the network (ASCII or raw hexadecimal).
    • Embedded TCP/UDP stack - allows you to upload data to a web server.
    • Physical Features:
      • External GSM Antenna with SMA connector
      • SIM Card holder (Flip Style)
      • Call Indicator LED
      • Onboard Serial RS232 interface foreasy debugging (3 pins on the left, see diagram for how to wire to an RS232 connector)
      • Onboard reset and restart solder points
      • Additional antenna can be added with IPX mini connector
      • Yellow Logic Level Select Pins: select between 5V and 3.3V interface (yellow pins)
      • Power Wires (red and black)
    • SIM900A Serial Port Output Terminal    
    • Power Voltage (to be attached across the red and black wires): 5V DC (1A or higher is recommended)
    • Arduino & Raspberry Pi Compatible
    • Built in surge protection & SMF05C chip onboard for electrostatic protection
    • Dimensions: 2" x 2"
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