Digital Antenna 876-SB AIS Marine Antenna 4ft 4.5dB Gain Black

The Digital Antenna 876-SB is a professional-grade 4-foot AIS (Automatic Identification System) antenna designed to meet USCG commercial vessel requirements. Engineered specifically for AIS frequency performance, this antenna delivers reliable 4.5dB gain with exceptional 1.5:1.0 SWR ratio across the critical 159-162 MHz frequency range, ensuring compatibility with all AIS transponders.

Key Features:

• 4-foot length with 4.5dB gain for optimal AIS signal reception
• Low 1.5:1.0 SWR ratio from 159-162 MHz for maximum efficiency
• Powerful brass radiators with soldered connections for durability
• Power-directing ferrite choke bead reduces interference
• High gloss urethane finish protects against harsh marine environments
• 316 stainless steel ferrule resists corrosion
• Stainless steel double female ferrule mount with 1-14 threaded base
• Quality SO-239 female (UHF female) connector
• Made in USA and hand-tuned for maximum performance

Part of Digital Antenna's 800 GOLD Series, the 876-SB is assembled, tested, and tuned by hand to ensure unsurpassed quality and durability. This antenna requires appropriate VHF/AIS cables and DA645 connectors (sold separately). The black finish provides a sleek, professional appearance while the robust construction ensures years of reliable service in demanding marine conditions.