With the M5 Stack Unit NB-IoT2 Module SIM7028, you get a powerful wireless communication module suitable for global Cat-NB frequency bands. The integrated SIM7028 communication module ensures a stable and high-quality connection thanks to serial communication and the external SMA antenna interface. This module supports multi-band NB-IoT network connections, ensuring broad applicability worldwide. It has been specifically designed for low-latency and low-throughput applications, offering excellent energy management capabilities, making it ideal for long-term deployments. Perfect for IoT applications such as smart metering, remote control, asset tracking, remote monitoring, telemedicine, and bike-sharing.

Features:
The module supports global Cat-NB frequency bands. Its strong signal reception capability ensures stable connections. It features an external SMA antenna interface. Serial communication occurs via UART at 115200bps. The data transmission rate is 127 kbps (downlink) and 159 kbps (uplink). It supports multiple network protocols such as TCP, UDP, HTTP, and MQTT.

Use Cases:
Remote control of devices, asset tracking for monitoring valuables, remote monitoring of sensors and systems, use in bike-sharing systems, telemedicine for remote patient monitoring.

Technical Specifications:
Manufacturer: M5Stack, Manufacturer SKU: U111-B, Communication Module: SIM7028, Supported Cat-NB Bands: B1/B2/B3/B4/B5/B8/B12/B13/B14/B17/B18/B19/B20/B25/B26/B28/B66/B70/B85, Network Protocols: TCP, UDP, HTTP, TLS, DTLS, DNS, NTP, PING, LWM2M, COAP, MQTT, MQTTS, SSL, Communication Method: UART 115200bps, Power Consumption: Standby Power: DC5V/3.1mA, Operating Power: DC5V/36mA, Dimensions: 71 x 25 x 9mm, Weight: 26g.

Delivery Contents:
1x M5Stack Unit NB-IoT2 Module SIM7028, 1x SMA Antenna, 1x Grove Cable.