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Antennas by Application

Marine and Vessel Antennas: Connectivity at Sea

Marine deployments combine VHF communication, cellular and Wi-Fi connectivity, AIS, and GNSS navigation in a corrosive saltwater environment that demands sealed, UV-stable, omnidirectional hardware.

Overview

This guide explains how marine and vessel antennas are engineered, where they are deployed, and how to choose the right model for a real installation. Because a vessel pitches and rolls, omnidirectional vertical antennas maintain coverage where a directional antenna would lose aim; mounting height on the mast directly extends the radio horizon to shore or other vessels.

Frequency Bands and Spectrum

The bands most relevant to marine and vessel antennas are listed below. Each band brings different propagation, regulatory and antenna-size implications.

BandRange (MHz)Typical use
700-900 MHz (4G Low Band)698-960LTE Band 12/13/5, cellular
Wideband (700-2700 MHz)700-2700Multiband / all-cellular
2.4 GHz (Wi-Fi / BT)2400-2483Wi-Fi / Bluetooth / Zigbee
GNSS / GPS1176-1606GPS L1/L2/L5, GLONASS, Galileo, BeiDou

Recommended Antenna Types

The following antenna classes are best matched to marine and vessel antennas:

Omnidirectional Fiberglass Antenna

Collinear omnidirectional antennas in a UV-stable fiberglass radome for 360 degree outdoor coverage.

GNSS / GPS Antenna

Active GNSS antennas for positioning, timing and high-precision survey applications.

Magnetic-Base Mobile Antenna

Magnetic-mount vehicular antennas for telematics and mobile connectivity.

Applications and Use Cases

Marine and Vessel Antennas support a range of deployments. The most common are:

  • Fixed Wireless Broadband
  • GNSS Positioning
  • IoT / M2M
  • Telematics / V2X

Mounting and Installation

Antennas are mast- or rail-mounted using marine-grade stainless hardware; the fiberglass radome and sealed connectors resist salt spray and UV.

Lightning Protection and Grounding

A vessel's mast-top antenna is a primary lightning attachment point and must tie into the bonding system; surge arrestors protect below-deck electronics.

Standards and Compliance

Designs and deployments in this area commonly reference:

  • IEC 60945 marine environmental
  • GPS/GNSS for navigation
  • IMO carriage requirements

Selection and Comparison

When narrowing down a model for marine and vessel antennas, weigh these trade-offs:

  • Omnidirectional vs. tracking
  • Mast height vs. gain
  • IP67 vs. IP68 sealing

Typical gain for this category is 6-12 dBi, usually terminated in a N-Female connector, though the interface can be customized.

Recommended Antennas from astronwireless.com

The following models from our catalog match the requirements discussed above:

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Frequently Asked Questions

What frequency bands do marine and vessel antennas use?

Marine and Vessel Antennas typically operate across 700-900 MHz (4G Low Band), Wideband (700-2700 MHz), 2.4 GHz (Wi-Fi / BT), and GNSS / GPS. The primary band spans 698-960 MHz.

What antenna gain is typical for marine and vessel antennas?

A typical gain range is 6-12 dBi. Higher gain narrows the beamwidth and extends range, so the right value depends on whether you need broad coverage or a focused long-distance link.

Which applications are marine and vessel antennas best suited for?

Common applications include Fixed Wireless Broadband, GNSS Positioning, and IoT / M2M. Because a vessel pitches and rolls, omnidirectional vertical antennas maintain coverage where a directional antenna would lose aim; mounting height on the mast directly extends the radio horizon to shore or other vessels.

How should marine and vessel antennas be mounted?

Antennas are mast- or rail-mounted using marine-grade stainless hardware; the fiberglass radome and sealed connectors resist salt spray and UV.

What connector do marine and vessel antennas normally use, and can it be changed?

The usual interface is N-Female. The connector and cable assembly can be customized — SMA, N-type, TNC, BNC, FAKRA and IPEX options are available on request.

Do marine and vessel antennas need lightning protection?

A vessel's mast-top antenna is a primary lightning attachment point and must tie into the bonding system; surge arrestors protect below-deck electronics.

Which standards apply to marine and vessel antennas?

Relevant standards and references include IEC 60945 marine environmental, GPS/GNSS for navigation, and IMO carriage requirements.

How do I get a quote for marine and vessel antennas?

Use the antenna configurator on this page to specify your frequency, gain, polarization and mounting requirements. Submit the inquiry and an engineer from astronwireless.com will respond within one business day with matched models and pricing.