The E73-2G4M04S1D with Wireless Modules RoHS is a type of embedded radio module manufactured by Ebyte. It is based on Ebyte’s proprietary 2G4 transceiver system and is designed to provide high-performance and low-power Wide Area Network (WAN) communication. The module supports LoRaWAN and Sigfox protocol as the communication protocol for multimode operation, allowing for a long-range, low-power connection. It also features various interfaces, including UART, I2C, and GPIOs for connection configurations. In addition, the module is RoHS compliant for environmental protection, and complies with FCC/CE regulations. This module is suitable for a wide range of applications, including smart city solutions, IoT networks, and asset tracking.