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Amphenol

MA 2-1SC-SHT

Low-profile marine VHF antenna

The AMPHENOL PROCOM MA 2-1SC-SHT marine VHF antenna is a professional solution for installations where height is limited. Measuring only 550 mm, it is built with robust materials such as fiberglass and chrome-plated brass, ensuring high durability. Its reduced ½ λ dipole design is optimized for the marine VHF band (156–162 MHz) on sailboats, motorboats, or as a reliable backup antenna.

Includes: Antenna with integrated UHF female connector.

Retail priceBenefit from the professional rate

£141.92 GBP

£141.92 GBP ~~£158.52 GBP~~

Shipping calculated at checkout.

Prices exclude import taxes (indicative rate: UK import VAT 20%). DAP delivery: import taxes are paid on delivery.

Low stock

Free pickup point from €150 in France
Pickup at Skysat possible

Custom installation

Trust Skysat to install the equipment on board

Request a quote

Installers near you

thanks to our network of approved installers

Find an installer

Support service

Opt for additional installation assistance

Technical specifications

Operating temperature	-30 °C to +70 °C
Product height	Approximately 550 mm
Mounting type	Mounting with screws, rivets, or hose clamps
Certifications	CE, UK, CA
Antenna type	External, reduced ½ λ dipole, end-fed
Antenna gain	-0.9 dBi
Impedance	50 ohms
Polarization	Vertical
VHF frequency range	156 - 162 MHz
Connector type	UHF female
Antenna connector	UHF(f)
Compatible antenna	Marine VHF radios
Bandwidth	6
Color	White / Metallic Silver
Largeur du faisceau horizontal	Omnidirectional
Material	Cover: Fiberglass with copper thread ventilation, coated with polyethylene. Housing: Chrome-plated brass.
Ros	< 2.0:1
Weight	0.4
Wind Load	10.4 N (160 km/h)
Wind Surface Area	0.0094

Detailed description

The AMPHENOL PROCOM MA 2-1SC-SHT marine VHF antenna is a professional-grade communication solution designed specifically for vessels where space and height are critical constraints. At just 550 mm long, it fits perfectly on sailboats, high-speed powerboats, or as a reliable backup antenna without compromising the robustness and reliability that define the Danish brand.

Compact design and optimized performance

Based on a reduced ½ λ dipole (end-fed) architecture, this antenna is optimized for the marine VHF frequency band of 156 to 162 MHz. Its compact size is a deliberate design choice. Unlike standard, longer antennas that seek high positive gain, the MA 2-1SC-SHT delivers a gain of -3 dBd (-0.9 dBi) with a minimal footprint. This makes it ideal for installations where a longer antenna would be impractical, exposed to impacts, or aesthetically undesirable.

Technical specifications

The MA 2-1SC-SHT antenna supports a maximum input power of 50 W, making it compatible with all fixed VHF radios on the market. It provides 360° coverage thanks to its vertical polarization and omnidirectional radiation pattern. The nominal impedance is 50 Ω with a Voltage Standing Wave Ratio (VSWR) below 2.0:1 across a 6 MHz bandwidth, ensuring efficient transmission of transmitter power. Connection is via a standard and robust UHF female (UHF(f)) connector.

Robustness and durability in marine environments

Manufactured in Denmark, the MA 2-1SC-SHT is built to high standards. The whip is made of fiberglass with an internal copper wire, all coated in polyethylene for maximum protection. The housing and connection components are made of bright chrome-plated brass, offering excellent resistance to corrosion in saline environments. Designed to operate in extreme conditions, its operating temperature range extends from -30 °C to +70 °C.

Documentation

Type	Nom
	EN - Detailed Technical Datasheet - Low-Profile Marine VHF Antenna

Expert opinion

Pol CONIN

Digital Manager

« High-performance VHF optimized for confined spaces »

The AMPHENOL PROCOM MA 2-1SC-SHT antenna is not a standard VHF antenna; it is an engineered solution for specific applications. Its main advantage is not gain, which is -3 dBd, but its exceptional compactness and robustness. We recommend it for sailboats where a long masthead antenna is vulnerable, for fast motorboats where space is a constraint, or as a critical backup antenna on any vessel. The chrome-plated brass and fiberglass construction ensures superior longevity against corrosion and UV exposure compared to low-end plastic or stainless steel alternatives. Choosing this antenna is an investment in communication reliability when mechanical performance outweighs maximum range.

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Low-profile marine VHF antenna

£141.92 GBP

£141.92 GBP ~~£158.52 GBP~~

Frequently Asked Questions

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What is the exact height of this VHF antenna?

The MA 2-1SC-SHT antenna has a height of approximately 550 mm (55 cm). Its compact size makes it ideal for installations where space is limited.

Is this antenna compatible with my fixed VHF radio?

Yes, this antenna is compatible with the vast majority of fixed VHF radios on the market. It supports a maximum power of 50 W and has a standard impedance of 50 Ω.

How is this antenna mounted?

The MA 2-1SC-SHT antenna can be mounted in several ways depending on your installation. The technical documentation specifies mounting via:

ScrewsRivetsClamps (tie wraps)Mounting hardware (screws, rivets, etc.) is not included.

What is the weight of the antenna?

The antenna weighs approximately 0.4 kg, making it a lightweight and easy-to-install solution.

What type of connector is used on this antenna?

The antenna is fitted with a standard female UHF connector (UHF(f)). You will need a coaxial cable equipped with a male UHF connector (often called PL-259) to connect it to your VHF radio.

For which type of boat is this antenna particularly recommended?

Thanks to its reduced height, the MA 2-1SC-SHT antenna is particularly suited for:

SailboatsFast patrol boatsAny vessel where a tall antenna would be obstructive or exposedActing as a reliable, compact backup VHF antenna

What materials is the antenna made of?

The antenna is designed for maximum durability in a marine environment. The main materials are:

Whip: Fiberglass with copper wire, covered in polyethylene. Base housing: Bright chrome-plated brass.

The antenna gain is -3 dBd. Is this an issue?

No, this is not a problem but a design choice. A gain of -3 dBd is the direct consequence of the antenna's very compact size. This is a technical trade-off to achieve an antenna much shorter than a standard model, which is a major advantage on certain boats. It provides reliable communication performance for standard-range use.

Can I use this antenna for my AIS receiver?

Yes, absolutely. The antenna’s frequency range (156 – 162 MHz) fully covers the frequencies used by AIS systems (161.975 MHz and 162.025 MHz), making it perfectly compatible.

What is the operating frequency range of this antenna?

This antenna is designed to operate on the marine VHF band, with a frequency range from 156 to 162 MHz.

Is a mounting bracket provided with the antenna?

No, the antenna is supplied alone. The mounting bracket must be selected separately based on where you intend to install it on your boat (mast, stern rail, etc.).

What is the maximum power this antenna can handle?

The MA 2-1SC-SHT antenna can handle a maximum input power of 50 Watts, which exceeds the transmit power of most marine VHF radios (typically 25 Watts).

Does the antenna provide omnidirectional coverage?

Yes, this is an omnidirectional antenna. This means it transmits and receives signals equally in all directions on a horizontal plane (360°).

In which country is this antenna manufactured?

This antenna is manufactured in Denmark by AMPHENOL PROCOM, a brand recognized for the quality of its professional communication equipment.

What are the operating temperature limits for this antenna?

The antenna is designed to withstand extreme weather conditions and can operate within a temperature range of -30 °C to +70 °C.

Can I install this antenna on a metal mast?

Avoid installing the antenna parallel to metal parts such as masts. Even though it is independent of the ground plane, proximity to metal will negatively impact the VSWR and the radiation pattern.

What is the polarization type of this antenna?

The MA 2-1SC-SHT antenna has vertical polarization, which is the standard for marine VHF communications to ensure optimal communication between vessels and coastal stations.

What is the wind resistance rating of this antenna?

This antenna is robust and designed to withstand a wind load of 10.4 N, which corresponds to winds up to 160 km/h.

What is the antenna impedance?

The nominal impedance of this antenna is 50 Ω (Ohms). This is the standard impedance for marine VHF radio equipment, ensuring perfect compatibility and optimal power transfer.

What does the term 'Reduced ½ λ dipole, end-fed' mean?

This refers to the antenna design type:

½ λ (half-wave): This is a very efficient antenna design. Reduced: Indicates the antenna has been physically shortened compared to a standard half-wave to achieve its compact size. End-fed: Means the coaxial cable connects at the base of the antenna, simplifying installation.