Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards
Supports communication protocols such as TCP/UDP/HTTP/HTTPS/TLS/DTLS/PING/LWM2M/COAP/MQTT
Supports GNSS positioning (GPS, BeiDou, GLONASS, Galileo). Onboard USB interface, to test AT Commands, get GPS positioning data, and so on
Breakout UART control pins, to connect with host boards like STM32. SIM card slot, supports ONLY 1.8V SIM card (3V SIM card is not available)
2x LED indicators, easy to monitor the working status. Baudrate: 300~3686400 bps. Common baudrate auto-negotiation: 9600/19200/38400/57600/115200 bps