Genuine Dual-Chip Performance (PIC18F25K80 + FTDI FT232RL). OBD2 Extension & Split. OBD2 Y-Splitter Cables. Hardware: ELM327 V1.4 Diagnostic Interface. The V1.4 hardware version supports all standard OBDII protocols (ISO15765-4 CAN, ISO14230-4 KWP2000, ISO9141-2, J1850 VPW/PWM).