Description
4' AIS Antenna - White | Boat Supply Store
Achieve robust Automatic Identification System (AIS) reception and transmission for enhanced vessel awareness. This 4-foot, white antenna is hand-tuned to deliver a low SWR ratio of 1.5:1.0 across the critical 159-162 MHz band, maximizing signal integrity. Its 4.5dB gain ensures superior detection of other vessels and aids to navigation, meeting stringent USCG requirements for commercial and recreational vessels operating offshore or in busy waterways.
Key Features
- Superior Performance: Hand-tuned 4' length for optimal AIS signal reception and transmission.
- Exceptional Gain: 4.5dB gain ensures robust detection of other vessels and navigation aids.
- Low SWR Ratio: Achieve a consistent 1.5:1.0 SWR from 159-162 MHz for peak efficiency.
- USCG Compliance: Meets essential requirements for AIS functionality on all regulated vessels.
- Durable Construction: 316 stainless steel ferrule and urethane finish resist harsh marine environments.
- Reliable Connectivity: Features a quality female SO-239 (UHF female) connector for secure cable attachment.
- Proudly Made in USA: Assembled, tested, and tuned by hand in the United States for quality assurance.
- Robust Radiators: Powerful brass radiators and soldered connections ensure long-term operational integrity.
Specifications
| Product Specifications | |
|---|---|
| Length | 4' |
| Gain | 4.5dB |
| SWR Ratio | 1.5:1.0 (159-162 MHz) |
| Connector | SO-239 |
| Ferrule Material | 316 stainless steel |
| Construction | Made in USA |
| Series | 876-SW |
| Mounting Base | Stainless steel double female ferrule |
| Threaded Base | 114 |
Who This Is For
Commercial vessel operators and recreational boaters who require a high-performance, USCG-compliant AIS antenna for mandatory or recommended Automatic Identification System integration. This antenna is ideal for those prioritizing signal reliability and durable construction in demanding marine conditions.
How It Compares
| Feature | 4' AIS Antenna - White | Shakespeare 5207 |
|---|---|---|
| Length | 4' | 4' |
| Gain | 4.5dB | 3dB |
| SWR Ratio | 1.5:1.0 (159-162 MHz) | 2.0:1.0 max |
| Connector Type | Female SO-239 (UHF female) | PL-259 |
| Mounting Base | Stainless steel double female ferrule, 114 threaded base | Standard 1"-14 thread |
| Made In | USA | USA |
Common Concerns Answered
Why is cable not included?
The Digital Antenna 876-SW is designed to offer maximum flexibility in cable selection, allowing you to choose the optimal length and type of coaxial cable (e.g., RG-8X, RG-213) for your specific installation. This ensures a high-quality connection tailored to your vessel's needs.
What is the return policy?
This antenna requires direct contact with the manufacturer for any issues or returns, ensuring specialized support for product-related concerns. This process guarantees that warranty claims and technical troubleshooting are handled by the experts at Digital Antenna.
Is this antenna suitable for all AIS transponders?
Yes, the Digital Antenna 876-SW is fully compatible with all standard AIS transponder units, providing a reliable communication link for Class A and Class B systems.
Frequently Asked Questions
What is the SWR ratio of the Digital Antenna 876-SW?
The Digital Antenna 876-SW maintains a low SWR ratio of 1.5:1.0 across the frequency range of 159-162 MHz.
What is the gain of the Digital Antenna 876-SW?
This antenna provides a substantial 4.5dB gain, which enhances both the reception and transmission capabilities of your AIS system.
What type of connector does the Digital Antenna 876-SW have?
It features a quality female SO-239 (UHF female) connector, a standard interface for many marine VHF and AIS coaxial cables.
Is cable included with the Digital Antenna 876-SW?
No, the coaxial cable required for connection is sold separately, allowing for customized installation length and type.
What is the mounting type for the Digital Antenna 876-SW?
The antenna utilizes a stainless steel double female ferrule with a 114 threaded base, designed for secure mounting on standard marine antenna mounts.
