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