Arduino MKR GSM 1400 with antenna

74.79

GSM/3G board to get your products online worldwide in seconds.

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    Arduino MKR GSM 1400 allows you to build your next smart project. Ever wanted an automated house? Or a smart garden? Well, now it’s easy with the Arduino IoT Cloud compatible boards. It means: you can connect devices, visualize data, control and share your projects from anywhere in the world. Whether you’re a beginner or a pro, arduino has a wide range of plans to make sure you get the features you need.

    The Arduino MKR GSM 1400 takes advantage of the cellular network as a means to communicate. The GSM / 3G network is the one that covers the highes percentage of the world’s surface, making this connectivity option very attractive when no other connectivity options exist. Whether you are looking at building a gateway to your own remote sensor network, or if you need a single device sending a text message when an event happens at the other side of the country, the MKR GSM 1400 will help you to quickly implement a solution to accommodate your needs.

    The board’s main processor is a low power Arm® Cortex®-M0 32-bit SAMD21, like in the other boards within the Arduino MKR family. The GSM / 3G connectivity is performed with a module from u-blox, the SARA-U201, a low power chipset operating in the de different bands of the cellular range (GSM 850 MHz, E-GSM 1900 MHz, DCS 1800 MHz, PCS 1900 MHz). On top of those, secure communication is ensured through the Microchip® ECC508 crypto chip. Besides that, you can find a battery charger, and a connector for an external antenna.

    GSM and Arduino IoT Cloud

    At Arduino they have made connecting to a GSM network as easy as getting an LED to blink. You can set or receive calls, send and receive text messages, and access data networks to exchange data with different types of servers. You can even create your own server operating on the GPRS data network! The specific set of examples arduino provides for the MKR GSM 1400 can be consulted at the MKRGSM library reference page.

    Ensuring Connectivity

    The default option for the MKR GSM 1400 does NOT include a SIM card, you can hook up the board to any operator of your choice.

    Battery Power

    Its USB port can be used to supply power (5V) to the board. It has a Li-Po charging circuit that allows the board to run on battery power or an external 5 volt source, charging the Li-Po battery while running on external power. Switching from one source to the other is done automatically.

    Communication over cellular networks, requires current peaks above the maximum a USB port can provide. While the port reaches 500mA, a typical GSM handshake (when the board boots and registers on a network provider) could easily reach a 2A peak. Therefore it is recommended to either provide a source with a higher current limit over Vin, or having a LiPo battery of, at least, 2500 mAh.

    Tech specs

    The Arduino MKR GSM 1400 is based on the SAMD21 microcontroller.

    Microcontroller SAMD21 Cortex®-M0+ 32bit low power ARM MCU (datasheet)
    Radio module u-blox SARA-U201 (datasheet)
    Secure Element ATECC508 (datasheet)
    Board Power Supply (USB/VIN) 5V
    Supported Battery Li-Po Single Cell, 3.7V, 2500mAh Minimum
    Circuit Operating Voltage 3.3V
    Digital I/O Pins 8
    PWM Pins 13 (0 .. 8, 10, 12, 18 / A3, 19 / A4)
    UART 1
    SPI 1
    I2C 1
    Analog Input Pins 7 (ADC 8/10/12 bit)
    Analog Output Pins 1 (DAC 10 bit)
    External Interrupts 8 (0, 1, 4, 5, 6, 7, 8, 16 / A1, 17 / A2)
    DC Current per I/O Pin 7 mA
    Flash Memory 256 KB (internal)
    SRAM 32 KB
    EEPROM no
    Clock Speed 32.768 kHz (RTC), 48 MHz
    LED_BUILTIN 6
    Full-Speed USB Device and embedded Host
    Antenna gain 2dB (bundled antenna at the Arduino Store)
    Carrier frequency GSM 850 MHz, E-GSM 1900 MHz, DCS 1800 MHz, PCS 1900 MHz
    Working region Global
    SIM Card MicroSIM (not included with the board)
    Length 67.64 mm
    Width 25 mm
    Weight 32 gr.