MKR NB 1500 Low power Narrow band board. The new standard Narrow Band IoT, with the easy to use Arduino ecosystem. Fully compatible with Narrow Band IoT NB classes and LTE CAT M1 networks. STORE.ARDUINO.CC/ARDUINO-MKR-NB-1500MKR NB 1500 ARDUINO MICROCONTROLLER Microcontroller SAMD21 Add Narrow Band communication to your Architecture ARM Cortex-M0+ 32bit project with the MKR NB 1500. It s the perfect Operating Voltage 3.3V choice for devices in remote locations without Flash Memory 256 KB an Internet connection, or in situations in SRAM 32 KB which power isn t available (e.g., eld Clock Speed 32.768 kHz (RTC), 48 MHz monitoring systems). This board is designed DC Current per I/O Pin 3 mA (I/O Pins) for global use, providing Cat M1/NB1 deployed bands 2, 3, 4, 5, 8, 12, 13, 20, 28 (Vodafone, GENERAL AT&T, T-Mobile USA, Telstra, Verizon). Input Voltage 5 V Digital I/O Pins 22 Interfaces I2C, I2S, SPI, UART PWM Output 12 Analog I/O Pins 7/1 Power Consumption 93 mA, 30mA (low power) Weight 15.3 g Product Code ABX00019