ITEM NAME:Mini ENC28J60 Ethernet LAN Module Electronic Component Replacement Accessory Description: Mini ENC28J60 ethernet LAN network SPI interface module electronic component development board. Onboard 25MHZ crystal oscillator, onboard isolation transformer RJ45 connector HR911105. 3.3V pin header power supply, can be controlled by 5V development board. Each item has been tested and checked in good.1 Piece Mini ENC28J60 Ethernet Module. Material: Electronic Component. Communication Interface: SPI.