Humminbird's Y cable serial splitter allows you to add two pieces of fishing technology to your 1100 Series device. All you need to do is connect the cable to a secondary serial port tower on the back of the Humminbird unit you already own. Expand your fishing tech with this simple piece of hardware.
Specification and Features:
Simply connect the Y cable to the secondary serial port tower
Add two serial accessories to your 1100 Series device