The CTM8251KT with Communication Modules manufactured by Zhiyuan are a set of 8-pin DIP RoHS compliant communication modules. These modules are made of high-quality, durable, and lightweight materials, offering reliable electrical performance and long-term reliability. The modules feature low power consumption and provide a cost-effective and flexible solution for a range of communication applications. They also offer high communication speeds up to 9.2Kbps and support a range of protocols, including RS-232, RS-485, and CAN bus. Additionally, they can be used in harsh environments with operating temperatures from -40° to +85° Celsius. The modules have a small form factor and are designed to dissipate heat effectively and minimize power consumption.