产品名称：意大利Arduino开发板入门编程开源硬件

技术规格

Arduino MKR GSM 1400基于SAMD21微控制器。

Microcontroller	SAMD21 Cortex®-M0+ 32bit low power ARM MCU
Radio module	u-blox SARA-U201
Secure Element	ATECC508
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.