Unit NBIoT2 is an NB-IoT wireless communication module suitable for global Cat-NB frequency bands. It features the built-in SIM7028 communication module, uses serial communication (controlled via AT command set), and integrates an SMA external antenna interface, significantly improving the communication quality and signal stability of the device. The SIM7028 module supports multi-band NB-IoT network connectivity, ensuring wide applicability worldwide. Designed for low-latency, low-throughput applications, the SIM7028 module has excellent power management capabilities, making it suitable for long-term operation devices. It is ideal for IoT applications such as smart metering, remote control, asset tracking, remote monitoring, telemedicine, and shared bikes.
Specification | Parameter |
---|---|
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 |
Operator certifications | Deutsche Telekom/Vodafone/Telefonica/China Telecom/China Mobile/China Unicom |
Communication method | UART 115200bps |
Power consumption test | Standby current: DC5V/3.1mA Network current: DC5V/36mA |
Product dimensions | 71.5 x 24 x 8mm |
Package dimensions | 136 x 92 x 13mm |
Product weight | 12.4g |
Gross weight | 25.5g |
HY2.0-4P | Black | Red | Yellow | White |
---|---|---|---|---|
PORT.C | GND | 5V | UART_TX | UART_RX |
lib_deps =
https://github.com/m5stack/TinyGSM/archive/refs/tags/v0.12.0-patch-1.zip
Product | SKU | Module | Cat-NB Frequency Bands | Data Transfer Rate | Communication Protocols |
---|---|---|---|---|---|
Unit NB-IoT | U111 | SIM7020G | B1/B2/B3/B4/B5/B8/B12/ B13/B17/B18/B19/B20/B25/B26 /B28/B66/B70/B71/B85 | 126 (DL) / 150 (UL) | TCP/UDP/HTTP/HTTPS/TLS*/ DTLS*/DNS/NTP/PING/LWM2M/ COAP*/MQTT/MQTTS/SSL |
Unit NB-IoT2 | U111-B | SIM7028 | B1/B2/B3/B4/B5/B8/B12/ B13/B14/B17/B18/B19/B20/B25/ B26/B28/B66/B70/B85 | 127 (DL) / 159 (UL) | TCP/UDP/HTTP/HTTPS/TLS*/ DTLS*/DNS/NTP/PING/LWM2M/ COAP*/MQTT/MQTTS/SSL |