ITEM NAME:MCP2515 CAN Bus Module TJA1050 Receiver SPI Module for Arduino Gw.1 x Arduino MCP2515 CAN Bus Module TJA1050 Receiver SPI Module. module size: 4.4cm x 2.8cm screw hole center spacing 23mm x 38mm. Impedance matching, ensure drive capacity, long-distance data transmission against signal radiation.