Description

KJM 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 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!

Features:

• 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

Specifications:

• Frequency Range: Marine VHF Band, 156-163 MHz, tuned to AIS frequency
• Average Gain: 3 db
• Housing: 4′ White Fiberglass with Stainless Steel Ferrule
• Impedance:  50 ohms
• Max. Input Power: 50 watts
• Polarization: Vertical
• Elements: Copper and brass
• SWR: Nominally 1.5:1 at 156.8 MHz
• Cable Supplied: 20′ RG-8/X
• Connector: PL-259, solder type, not installed
• DC Ground: Grounded: The antenna will read shorted on continuity test
• Warranty: 5 years