Key Features
40PIN GPIO extension header for connecting Jetson Nano
Supports dial-up, telephone call, SMS, mail, TCP, UDP, DTMF, HTTP, FTP, etc.
Supports GPS, BeiDou, Glonass, LBS base station positioning
Onboard USB interface, to test AT Commands, get GPS positioning data, and so on
Breakout UART control pins, to connect with host boards like Arduino/STM32
SIM card slot supports 1.8V/3V SIM card
Onboard 3.5mm audio jack with earphone and mic support, for making the telephone calls
2x LED indicators, easy to monitor the working status
Onboard voltage translator, the operating voltage can be configured to 3.3V or 5V via jumper
Baudrate: 300bps ~ 4Mbps (default: 115200bps)
Autobauding baud rate: 9600bps ~ 115200bps
Control via AT commands (3GPP TS 27.007, 27.005, and V.25TER command set)
Supports SIM application toolkit: SAT Class 3, GSM 11.14 Release 99, USAT
Comes with development resources and manual (examples for Jetson Nano/Raspberry Pi/Arduino/STM32)