The DL-RTS4432-433M is a wireless module manufactured by DreamLNK, compliant with the Restriction of Hazardous Substances (RoHS) directive. It is designed for use in transmitting data or in network applications, and allows for a high-speed, robust connection. The module supports both 2.4GHz and 433MHz frequency bands, and provides up to 65Kbps data rate. It is also capable of penetrating multiple walls and floors, with an operation range of up to 433m in an open field. The module features 128-bit AES encryption for secure communication, and includes a low-power wake-up mode and power-saving modes. It is compact, lightweight, and designed for easy plug-and-play installation, and is ideal for long-range wireless communication applications, such as home automation, industrial automation, and wireless medical instruments.