TD301D485H-A with Communication Modules DIP RoHS is a mini-sized, RoHS compliant communication module designed and manufactured by MORNSUN. It contains an embedded CPU and features an integrated physical isolation device to protect the system from interference and errors. The module provides a high speed of up to 1 Mbps with data transmission distances up to 1,200 m. It can be interfaced with a variety of buses including RS-232, RS-422, or RS-485. It supports up to eight pairs of input/output ports, plus one pair of non-standard port for connecting a wide range of devices. The module is powered by 5V DC. It is suitable for a wide variety of applications, including industrial automation, telecommunication, energy systems, home automation, security systems, and more.