Features Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards, Jetson Nano Supports dial-up, telephone call, SMS, MMS, 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 Onboard CP2102 USB to UART converter, for serial debugging Breakout UART control pins, to connect with host boards like Arduino/STM32 SIM card slot, supports 1.8V/3V SIM card TF card slot for storing data like files, messages, etc. Onboard audio jack and audio decoder for making telephone call 2x LED indicators, easy to monitor the working status Onboard voltage translator, operating voltage can be configured to 3.3V or 5V via jumper Baudrate: 300bps ~ 4Mbps (default: 115200bps) Autobauding baudrate: 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 GNSS Specifications * Receiver type * 16-channel * C/A code * Sensitivity * Tracking: -159 dBm (GPS) / -158 dBm (GLONASS) / TBD (BD) * Cold starts: -148 dBm * Time-To-First-Fix (open air) * Cold starts: <35s * Hot starts: <1s * Accuracy * Position: <2.5m CEP SMS and Audio Specifications 1.SMS: Supported types: MT, MO, CB, Text, PDU. Storage: USIM card and ME (default). 2.Audio feature: Supports echo cancellation. Supports noise reduction. Other Specifications Power supply: 5V Operating voltage: 5V/3.3V (configured via jumper) Operating temperature: -30°C ~ 80°C Storage temperature: -45°C ~ 90°C Dimension: 56.21mm x 65.15mmOnline User Manual :/bit.ly/3QkeUjW. SIM card slot, supports 1.8V/3V SIM card. TF card slot for storing data like files, messages, etc. Onboard audio jack and audio decoder for making telephone call. 2x LED indicators, easy to monitor the working status. Onboard voltage translator, operating voltage can be configured to 3.3V or 5V via jumper. Supports dial-up, telephone call, SMS, MMS, 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. Onboard CP2102 USB to UART converter, for serial debugging. Standard Raspberry Pi 40PIN GPIO extension header, supports Raspberry Pi series boards, Jetson Nano. Breakout UART control pins, to connect with host boards like Arduino/STM32. The SIM7600G-H 4G HAT is a 4G/3G/2G communication and GNSS positioning module, which supports LTE CAT4 up to 150Mbps for downlink data transfer. it is pretty low power consumption. You can connect this 4G module with computer to surf the Internet, or attach it onto Raspberry Pi to enable functions like 4G high speed connection, wireless communication, making telephone call, sending SMS, global positioning, etc. (Globally Applicable).