Garmin BlueNet Network Cable Coupler [010-12531-00] Marine Plumbing & Ventilation | Blowers & Heaters It has the highest gain

It has the highest gain of any TV antenna for its tiny 24cm Diameter

1-9/16" to 2-9/16" (40mm - 65mm)

Dip switch selectable screen configuration allows the display to show voltage bar graphs or the P12 Battery Charger summary screen

Integrated 35 psi shutoff pressure switch

It's a neat low-profile solution which allows full articulation

Garmin BlueNet Network Cable Coupler [010-12531-00] Marine Plumbing & Ventilation | Blowers & Heaters It has the highest gainBlueNet Network Cable Coupler Attach two Garmin BlueNet Network cables 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.