Features: CAN-capable, CAN controller MCP2515 using SPI interface with SIT65HVD230DR transceiver On-board digital isolation chip Signal isolation communication is safer, better stability, for stronger anti-interference Onboard TVs, RS485 communication with lightning- for protection and anti-static With RS485 function, UART control half-duplex communication with SP3485 transceiver to support automatic switching of transceiver status. brand new and high quality Based on the GPIO 40Pin interface design, it is convenient to directly plug into the Jetson- for Nano board Specifications: Item: RS485 CAN Jetson- for Nano Expansion Board CAN ControllerMCP2515 CAN Transceiver: SIT65HVD230DR Digital Isolation Chip:ADUM1412 RS485 Transceiver: SP3485 Working Voltage:3.3V Fixed Screw Hole Diameter:3mm Item Size: approx 100x79mm/3.94x3.1in Package Includes: 1 PC x RS485 CAN Expansion Board for Jetson for Nano 1 Set x Screws note: Due to the problems of lighting effects and shooting angles, there will be certain tolerances in the product, please understand. Please allow 0-1cm error due to the manual measurment.