Garmin GXM 53 Extension Cable Coupler [010-12531-00]
GXM™ 53 Extension Cable Coupler
Attach 2 GXM 53 ethernet cables together with this small and robust coupler.
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.