Features 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) Package include 1. SIM7028 NB-IoT HAT x1 2. GSM Antenna x1 3. USB Type-A to Type-C cable x1 4. 2×20PIN female header x1 5. Standoffs pack x1Comes with online development resources and manual (examples for Raspberry Pi/Jetson Nano/Arduino/ESP32). 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. NB-IoT HAT for Arduino, onboard Type-C interface for software debugging; Onboard UART control pins, for connecting with host boards like Ardui/STM32. NB-IoT HAT for Jetson Nano, supports TCP, UDP, LWM2M, COAP, DTLS, DNS, NTP, PING, HTTP(S), MQTT(S), TLS/SSL, etc; Supports SIM application toolkit: SAT Class 3, GSM 11.11, USAT. NB-IoT HAT for Raspberry Pi, standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards and Jetson Nano, etc.