Features: TTL to Ethernet module, Easy to Integrate: Small size and low power consumption, perfect for quick integration into industrial and security products. UART to Ethernet module, Gold Plate Stamp Hole Design: Highly integrated packaging, supports multiple embedding method for various applications. UART TTL to ethernet module; Multiple Communication Modes: Supports Servers, Client, UDP Multicast, and UDP modes. TTL Serial to Ethernet: Suitable for Networking upgrades in Modbus applications, can be pair with 3D forces control component. Registration Packets: Easily communicate with cloud and enable device identification with registration packets. Specifications: Component:Plastic Size:Approx.3.05x2.3cm/0.91x1.2inch Package Includes: 1 Set Ethernet Module note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.