BIGTREETECH RJ11 Cable length is 5.9 inch. | BTT RJ11 CAN cable adapter wire CX-0157-S 6P6C to XH2.54-2Pin | BIGTREETECH RJ11 to CAN cable helps you easily connect the CAN cable to the RJ11 interface on BTT Octopus v1.1, Octopus pro f446, Octopus pro f429 control board and connect the BIGTREETECH CEB V1.0 CAN adapter module, relize multi-Can interface. | If have any question, please writer to us on Amazon, we will help you solve it