Garmin User Data Sharing Cable. Working between any Garmin devices this Data Sharing Cable from Garmin allows you to transfer routes waypoints and other information from your echoMAP to a friend's device. The data collected from your sonar device records everything from fishing locations to docking areas allowing you to easily coordinate and discover new areas with your friends using the Garmin User Data Sharing Connective Cable. To get the true Garmin experience share all of your data using the Garmin User Data Share Cable. Specifications for Garmin User Data echoMAP Sharing Cable: Fits: Garmin echoMAP Sonar 43DV 44DV 53DV 54DV 73DV 73SV 74SV 93SV and 94SV Features of Garmin User Data Connecting Cable: Share waypoints and routes with other Garmin devices Package Contents: Garmin User Data Sharing Cable for echoMAP Devices Garmin 010-12234-06: User Data Sharing Cable