Exterior Components Lights and Components

DIGITAL ANTN

4' 4.5DB MARINE AIS W/ 25' CABLE (B

$391.05

SKU: D05N 578-SB

In Stock
In Stock
Ships by Jun 8
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Digital Antenna 578-SB is a 4-foot AIS antenna with 4.5dB gain, designed with a low 1.5:1.0 SWR ratio from 159-162 MHz for compatibility with all AIS transponders. It features powerful brass radiators, soldered connections, a power directing ferrite choke bead, a high gloss urethane finish, and a 316 stainless steel ferrule. It includes 25 feet of low-loss, tinned braid, foil shielded, UV stable RG-8X marine cable and a gold factory-attached mini-UHF female connector with a mini-UHF male to UHF male (PL259) adapter. Made in the USA.

Fitment

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Specifications

BrandDIGITAL ANTN
Part NumberD05N 578-SB

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Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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