Features: This is a brand new MCP2515 CAN bus module TJA1050 receiver SPI protocol Compatible with Arduino based micro-controller projects. Specifications: Support CAN V2.0B specification, the communication speed 1Mb / S 0 to 8-byte data field Three frames - standard, expand the frame and remote DC5V power supply module & SPI interface protocol control 120 ohm termination resistors, Impedance matching, ensure drive capacity, long-distance data transmission against signal radiation Module dimensions 4. 4 x 2.8 cm/1.57*1.1" (approx.) Working Current - typ. 5mA & 1μA standby current Working Temperature - (Industrial grade) -40°C - +85°C