This Ethernet Cable is a 5 cable that allows the connection of two Ethernet capable unit to be connected. 

AS EC QDE may be required with some Humminbird models.  AS EC QDE may be required with some Humminbird models. 

WARNING: This product can expose you to chemicals including LEAD which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.