Description
Shakespeare AIS 5215-AIS 3' VHF Antenna | Boat Supply Store
For sailboats requiring enhanced Automatic Identification System (AIS) signal transmission and reception, this antenna provides dedicated bandwidth crucial for reliable contact reporting. Engineered with an end-fed 1/2-wave design, it offers a 3dB gain over its 3-foot stainless steel whip. Its low-profile, lightweight construction is specifically optimized for masthead mounting, minimizing aerodynamic impact and ensuring robust performance in challenging marine environments.
Key Features
- Dedicated AIS Bandwidth for superior transceiver performance.
- 3dB Gain for effective signal propagation.
- 3-foot length optimized for sailboat masthead mounting.
- Stainless Steel Whip ensures durable construction.
- End-fed 1/2-wave design for efficient operation.
- Sealed, Tin-Plated Copper Coil provides corrosion resistance.
- Includes L-shaped bracket for straightforward installation.
- SO-239 connector for standard VHF cable compatibility.
Specifications
| Product Specifications | |
|---|---|
| Length | 3 ft (0.9m) |
| Gain | 3dB |
| Design | End-fed 1/2-wave |
| Whip Material | Stainless steel |
| Coil Material | Sealed, tin-plated copper |
| Connector Type | SO-239 |
| Bandwidth (within 2.0:1 VSWR) | 7 MHz |
| Max Input Power | 50 watts |
| Mounting | Masthead (includes L-bracket) |
| DC Ground | No |
Who This Is For
Sailboat owners prioritizing dedicated and optimized AIS communication performance, especially those planning masthead installations. It is ideal for those who understand the critical nature of reliable AIS data for collision avoidance and vessel tracking.
How It Compares
| Feature | Shakespeare AIS 5215-AIS 3' VHF Antenna | Competitor |
|---|---|---|
| Length | 3 ft (0.9m) | 1.5m |
| Gain | 3dB | 3dB |
| Connector Type | SO-239 | SO-239 |
| Primary Application Focus | Sailboat masthead mounting for AIS | General AIS communication |
| Bandwidth (within 2.0:1 VSWR) | 7 MHz | null |
Common Concerns Answered
Will a shorter antenna like the 3-foot 5215-AIS provide adequate range for my AIS?
While some users prefer longer antennas for perceived range, the 3dB gain and dedicated AIS bandwidth of the 5215-AIS are optimized for reliable AIS communication, which is often more critical than maximum general VHF range for this specific application. The masthead mounting further enhances its effectiveness.
Do I need to purchase a separate VHF cable for this antenna?
Yes, this antenna utilizes an SO-239 connector and requires a separate VHF coaxial cable with the appropriate connector (typically PL-259) to connect to your AIS transceiver.
Is this antenna suitable for powerboats?
While it functions technically, the 5215-AIS is specifically engineered for the unique mounting requirements and performance characteristics desired on sailboats, particularly for masthead placement. Its compact 3-foot size is less common for typical powerboat installations.
Frequently Asked Questions
What is the primary purpose of the Shakespeare AIS 5215-AIS antenna?
The primary purpose is to provide dedicated, high-performance VHF communication specifically optimized for AIS transceivers on sailboats, ensuring reliable transmission and reception of vessel identification and location data.
What type of connector does the Shakespeare AIS 5215-AIS antenna use?
The Shakespeare AIS 5215-AIS antenna uses a standard SO-239 connector for its VHF radio frequency connection.
What is the gain of the Shakespeare AIS 5215-AIS antenna?
The Shakespeare AIS 5215-AIS antenna has a gain of 3dB.
What is the maximum input power for the Shakespeare AIS 5215-AIS antenna?
The maximum input power for the Shakespeare AIS 5215-AIS antenna is 50 watts.
Does the Shakespeare AIS 5215-AIS antenna have DC ground?
No, the Shakespeare AIS 5215-AIS antenna does not have a DC ground.
