Feature: 1. High Performance: This ethernet network module uses a high performance ethernet chip with fast transmission and low latency to ensure efficient and stable data communication. 2. Model Aadopted: This Ethernet network module has an RJ45 connector and HR911105A isolation transformer. 3. High Compatibility: The ethernet network module is very compatible with the development board and can be directly connected for use, avoiding complex interface design and development. 4. Easy to Use: With its compact size and user friendly design, this network module is easy to use and install even if you are new to networking or electronics. 5. Energy Saving: The ethernet network module operates on a 3.3V power supply, which makes it easy to integrate into your existing electronics project. This low voltage operation also makes it energy efficient and helps to extend battery life in portable devices. Specification: Item Type: Ethernet Network Module Material: ABS On board ENC28J60 SS chip On board 25MHZ crystal On board HR911105A network interface 3.3V pin header for power supply. Package List: 1 x Ethernet Network Module