The DL-24G-828 Sensor Modules Module RoHS is a sensor manufactured by DreamLNK. It is an 8-channel wireless module based on the IEEE 802.15.4-2006 standard. It has a range of up to 24 GHz, operates on the 2.4 GHz frequency, has a modular design for easy installation, and has a RoHS compliant construction. It is capable of transmitting data wirelessly over short distances. It can be used for various applications, including smart home automation, data logging, environmental sensing, and remote monitoring.