Product Summary

The Standard Horizon SCU-38 Passive GPS Antenna is designed to enhance the performance of your compatible Standard Horizon marine radios by providing reliable GPS signal reception even in challenging mounting locations. This external receiver ensures that your radio's internal GPS receiver functions effectively when mounted in areas where signal reception may be obstructed.

The SCU-38 features a 5-meter cable, allowing you to position the antenna in a location with a clear view of the sky for optimal signal reception. It is compatible with the following Standard Horizon radios: GX1400G, GX1800G, GX1850G, and GX2400.

Please note that the SCU-38 is a passive antenna and will only work with units that are already equipped with a built-in GPS receiver. This solution is ideal for ensuring accurate GPS functionality and reliable navigation in a variety of maritime environments.

  • Purpose: Enhances GPS signal reception for Standard Horizon radios by providing an external antenna option.
  • Compatibility: Works with Standard Horizon radios GX1400G, GX1800G, GX1850G, and GX2400.
  • Cable Length: 5 meters, allowing flexible mounting options.
  • Mounting: Requires installation in a location with a clear view of the sky for optimal performance.
  • Type: Passive antenna—only suitable for radios with a built-in GPS receiver.
  • Function: Improves GPS signal reception in areas where internal antennas may struggle.


    • Shipping Policy

    Orders are processed and shipped within 5-7 business days of payment being received. We cannot ship to APO/FPO addresses, P.O. boxes, or any US protectorates.


    Return Policy

    We offer a 30-day return policy from the date of receipt. If you are not satisfied with your purchase, please contact us first to initiate a return. We will provide a prepaid shipping label for defective or damaged items. For all other returns, the customer is responsible for covering the shipping costs.


    We want you to be happy with your purchase, and we are dedicated to ensuring that our customers are satisfied. If you have any issues with your order, please don't hesitate to reach out to us!