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Scan-Antenna

Scan-Antenna 12023-451 AIS23 Antenna 3dB 1"-14 Adapter

Scan-Antenna 12023-451 AIS23 Antenna 3dB 1"-14 Adapter

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Regular price $ 77.80 USD
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Scan-Antenna AIS23 Stainless Steel Marine AIS Antenna Kit

The Scan-Antenna 12023-451 (Model: AIS23) is a high-efficiency, lightweight stainless steel whip marine AIS antenna specifically tuned to the automatic identification system frequencies (161.5 to 162.5 MHz). Engineered for sailboat mastheads, commercial vessels, skiffs, and motor yachts, its ultra-slim whip profile drastically reduces wind loading, aerodynamic drag, and masthead weight while enduring severe offshore conditions.

Unlike standard marine VHF antennas tuned broadly across voice channels, the AIS23 is factory-center-tuned specifically for Class A and Class B AIS transceivers, receivers, and SART equipment. This specific kit variant (12023-451) includes Scan-Antenna's heavy-duty 1''-14 UNS thread adapter, making it directly compatible with standard US-style marine antenna mounts, ratchet bases, and extension poles.

Key Features

  • Tuned Dedicated AIS Band: Center-tuned at 162 MHz to optimize transmit and receive efficiency for Class A and Class B AIS transceivers and receivers.

  • Low Wind Resistance Profile: Slim tapered stainless steel whip minimizes heel moment on sailboat masts and wind drag on powerboat arches.

  • Included 1"-14 UNS Adapter: Pre-fitted adapter allows direct installation onto standard 1''-14 threaded marine ratchet mounts, deck flanges, and extension poles.

  • Rugged Marine Construction: Premium stainless steel whip and UV-stabilized base housing ensure long service life in harsh saltwater environments.

Specifications

Feature Specification
Manufacturer / Brand Scan-Antenna A/S
Part Code / SKU 12023-451
Model Designation AIS23 + 1"-14 UNS Adapter
Antenna Type Omnidirectional End-Fed 1/2-Wave Dipole / Stainless Steel Whip
Frequency Range 161.5 MHz to 162.5 MHz (Dedicated Marine AIS Band)
Gain 3 dB (Marine) / 0 dBd / 2.1 dBi
VSWR < 1.5:1 at Resonant AIS Frequency (162 MHz)
Impedance 50 Ohms
Polarization Vertical
Max Input Power 50 W
Connector Type UHF-Female (SO-239 Socket at Base)
Mounting Hardware Included 1''-14 UNS Female Thread Adapter (US Marine Standard)
Whip / Base Material Stainless Steel Whip with Chrome / Polymer Base Housing
Overall Length / Height Approx. 950 mm 
Weight Approx. 0.12 kg 
Ingress Protection Rating IP66 Waterproof Rating
Compliance / Approvals RoHS Compliant, IEC 60945 Marine Standard
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