Product descriptions Supports Global Band NB-IoT Communication, Small In Size, Low Power Consumption Features At A Glance The SIM7028 NB-IoT HAT is a small size, low-power, and powerful Raspberry Pi HAT with NB-IoT (Narrow-Band Internet of Things) function, supports global band and supports TCP, UDP, LWM2M, COAP, DTLS, DNS, NTP, PING, HTTP(S), MQTT(S), TLS/SSL, etc. It is designed for applications that need low delay, low power, and low throughput, also suitable for IoT applications such as meters, remote control, asset tracking, remote monitoring, remote healthcare, bicycle-sharing, and so on. Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards and Jetson Nano, etc. Supports TCP, UDP, LWM2M, COAP, DTLS, DNS, NTP, PING, HTTP(S), MQTT(S), TLS/SSL, etc. Onboard Type-C interface for software debugging Onboard UART control pins, for connecting with host boards like Arduino/STM32 1x LED indicators, easy to monitor the working status Onboard USB to UART chip, the UART communication pin can be configured via jumper Onboard nano SIM card slot, compatible with NB-IoT specific card Baudrate: 2400bps ~ 460900bps (115200bps by default) Control via AT commands (3GPP TS 27.007, 27.005, and SIMCOM enhanced AT Commands) Supports SIM application toolkit: SAT Class 3, GSM 11.11, USAT Comes with online development resources and manual (examples for Raspberry Pi/Jetson Nano/Arduino/ESP32) Specifications COMMUNICATION PARAMETERS Band B1/B2/B3/B4/B5/B8/B12/B13/B14/B17/B18/B19/B20/B25/B26/B28/B66/B70/B85 Data rate ≤159Kbps(UL)≤127Kbps(DL) OPERATING PARAMETERS Power supply 5V Logic level 5V/3.3V (3.3V by default) Overall current (idle mode) 4mA Single module current (VBAT=3.3V) Idle mode: 2.8mA PSM mode: 0.8uA DRX mode: 0.11mA@Idle(DRX=2.56s) eDRX mode: 0.018mA@Idle(eDRX=163.84s; PTW=25.6s) Standard Raspberry Pi 40PIN GPIO Compatible With Raspberry Pi Series Boards, Jetson Nano, Etc. Connect to Raspberry Pi Zero Connect to Raspberry Pi 4B Connect to Jetson Orin Global Band Support Supports Communication Protocols Including TCP, UDP, LWM2M, COAP, DTLS, DNS, NTP, PING, HTTP(S), MQTT(S), TLS/SSL, Etc. Application Example Provides Multiple Networking Demos With Waveshare.Cloud, AWS IoT Core, And Aliyun IoT Support, Using The Lightweight MQTT Protocol To Achieve Data Visualization Services Pinout Definition Outline Dimensions