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AIS Antennas4' Length, 4.5dB Gain
In conjunction with the USCG Automatic Identification System (AIS) requirements for commercial vessels, Digital Antenna created a series of 4 AIS antennas that meet the exacting AIS frequency requirements. Designed with a low 1.5:1.0 SWR ratio from 159-162 MHz, Digital Antennas 4.5 dB gain AIS antennas offer unsurpassed durability and performance compatible with all AIS transponders.
Customers and installers love the 500 GOLD Series easy installation connector system. The gold factory-attached mini-UHF female connector with PL-259 (UHF) adapter makes connecting to the AIS transponder easy, eliminating the need to solder connectors.
All of our antennas are made in the USA, assembled, tested and tuned by hand for maximum performance, quality and durability.
All 4' AIS Antennas Feature:
- Powerful brass radiators
- Soldered connections
- Power directing ferrite choke bead
- High gloss urethane finish
- 316 stainless steel ferrule
- 4.5dB gain
500 GOLD Series
- Mount: Standard 114 threaded base
- Connector: Gold factory-attached mini-UHF female with mini-UHF male to UHF male (PL259) adapter
- Cable: Includes 25 of our low-loss, tinned braid, foil shielded, UV stable RG-8X marine cable
This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.
The Digital Antenna 578-SB 500 GOLD Series AIS Antenna is designed for commercial vessels and marine communications systems that require dependable AIS signal performance. Tuned for the AIS frequency range of 159–162 MHz, this antenna features a low 1.5:1.0 SWR ratio and 4.5 dB gain for compatibility with AIS transponders. Its durable construction and hand-tuned assembly make it a practical choice for marine installers and vessel owners.
The 500 GOLD Series connector system simplifies installation by combining a factory-attached gold mini-UHF female connector with a mini-UHF male to UHF male PL-259 adapter. This configuration helps eliminate the need to solder connectors during installation. The antenna includes 25 feet of low-loss, tinned braid, foil-shielded, UV-stable RG-8X marine cable for connecting to an AIS transponder.
Built for marine use, the Digital Antenna 578-SB includes powerful brass radiators, soldered connections, a power-directing ferrite choke bead, a high-gloss urethane finish, and a 316 stainless steel ferrule. The standard 1-1/4-inch threaded base supports installation with compatible marine mounting hardware. Each antenna is made in the USA, assembled, tested, and tuned by hand for consistent quality and durability.
Key Features:
- 4.5 dB gain AIS antenna tuned for the 159–162 MHz frequency range
- Low 1.5:1.0 SWR ratio for AIS communication applications
- Factory-attached gold mini-UHF female connector with PL-259 adapter for easier installation
- Includes 25 feet of low-loss, tinned braid, foil-shielded, UV-stable RG-8X marine cable
- Brass radiators, soldered connections, ferrite choke bead, urethane finish, and 316 stainless steel ferrule
- Made in the USA and assembled, tested, and tuned by hand
Product Details:
- Brand: Digital Antenna
- Model: 578-SB
- Series: 500 GOLD
- Product type: AIS antenna
- Gain: 4.5 dB
- Frequency range: 159–162 MHz
- Mount: Standard 1-1/4-inch threaded base
- Connector: Gold factory-attached mini-UHF female with mini-UHF male to UHF male PL-259 adapter
- Cable: 25 feet of RG-8X marine cable
- Country of origin: Made in the USA
Choose the Digital Antenna 578-SB for a durable, installation-friendly AIS antenna built for marine communication systems and commercial vessel applications. This product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.
SEO Meta Description:
Digital Antenna 578-SB AIS antenna with 4.5 dB gain, 159–162 MHz tuning, easy-install GOLD connector, and 25 feet of RG-8X marine cable.
Features:
- 4.5 dB gain AIS antenna tuned for the 159–162 MHz frequency range
- Low 1.5:1.0 SWR ratio for AIS communication applications
- Factory-attached gold mini-UHF female connector with PL-259 adapter for easier installation
- Includes 25 feet of low-loss, tinned braid, foil-shielded, UV-stable RG-8X marine cable
- Brass radiators, soldered connections, ferrite choke bead, urethane finish, and 316 stainless steel ferrule
- Made in the USA and assembled, tested, and tuned by hand
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| Truck Freight: No |
| Oversized: No |
