In conjunction with the USCG Automatic Identification System (AIS) requirements for commercial vessels, the Digital 876-SW 4ft AIS Antenna with Male Ferrule delivers uncompromising performance, durability, and reliability. Made in the USA, each unit is assembled, tested and hand-tuned for maximum performance, quality and longevity.
Engineered to meet exact AIS frequency demands while delivering robust signal strength and dependable operation in harsh marine environments, this 4-foot antenna is a trusted choice for commercial fleets and professional mariners.
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Frequency coverage: 159–162 MHz to align with AIS transmissions
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SWR: Low 1.5:1 across the band for efficient power transfer
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Gain: 4.5 dB for stronger, clearer AIS signals
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Durable construction: Powerful brass radiators, soldered connections, ferrite choke bead, and a high-gloss urethane finish
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Materials: 316 stainless steel ferrule ensures rugged mounting and long life
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Mounting: Stainless steel double ferrule designed for mounting on a 1-1/4-14 threaded base
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Connector: Quality female SO-239 (UHF female)
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Cable compatibility: Cable not included — pair with our VHF/AIS cables and two DA645 connectors for a complete system
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USA craftsmanship: Assembled, tested and hand-tuned in the USA for maximum performance and durability
Designed for professionals who demand reliable AIS performance and long-term dependability, the Digital 876-SW 4ft AIS Antenna with Male Ferrule is an excellent choice for vessels requiring compliant, high-quality AIS infrastructure. Upgrade your transponder setup and enjoy confident communications on the water.
