with stainless steel ferrule. Used with standard 1"-14 mounts, this thick-walled fiberglass antenna is perfect for stand-alone AIS applications or for combination VHF/AIS installations where a splitter is used. All KJM antennas are backed by a 5-Year warranty, so you can communicate with confidence!

4 Foot Marine AIS

New A431-AIS 

Marine AIS/VHF Antenna

4 foot / 3db gain 

The new A431-AIS marine AIS/VHF antenna builds on the success of the A430-AIS and includes 20' of low-loss RG-8/X cable permanently attached to the antenna and a high-quality solder-type PL-259 connector for a hassle-free, professional installation. The A431-AIS uses copper and brass elements for maximum range and efficiency, all enclosed in a stylish UV resistant radome

Features

Specifications

Marine VHF Band, 156-163 MHz,

tuned to AIS frequency

3 db

4' White Fiberglass with Stainless

Steel Ferrule

50 ohms

50 Watts

Vertical

Copper and Brass

Nominally 1.5:1 at 156.8 MHz

20' RG-8/X

PL-259, solder type, not installed

Grounded: The antenna will read shorted on continuity test

Five years

  • Single 4' section, 3db gain

  • Brass and copper elements for maximum range
    and efficiency

  • Stainless steel ferrule with standard 1″-14 thread

  • 20ft RG-8/X low-loss cable

  • Solder-type PL-259 connector

  • Suggested mount: M101 (sold separately)

  • Suggested AIS/VHF splitter: SPL100 (sold separately)

  • Five-year warranty

 

AC201
20' Extension 
SPL100
Band Separator
M201
Antenna Mount
M101
Antenna Mount

Accessories

Frequency Range    

 

Average Gain

Housing

Impedance

max. Input Power

Polarization

Elements

SWR

Cable Supplied

Connector

DC Ground

 

Warranty