Product Features

Digital Antenna’s 578-SB delivers outstanding AIS performance with maximum range and an ultra-low <1.3:1 SWR at 162MHz. Engineered for both digital and RF analog signals, it ensures crystal-clear communication. Includes 25’ of low-loss RG-8X cable, a mini-UHF connector, and PL-259 adapter. Rugged 316 stainless steel and a UV-stable coated rod provide lasting durability in any marine environment.

• AIS-band tuning for accurate vessel tracking
• Low VSWR design for efficient signal radiation
• UV‑resistant finish for long-term durability
• Universal 1″-14 mount for simple installation
• Made in the USA for consistent quality
• Backed by a 5-year warranty for long-term reliability