9 A431-AIS Marine AIS Antenna 4 foot/3dB Gain The new A431-AIS marine AIS 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 FME, non-solder type 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. 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 • 20’ RG-8/X low-loss cable • FME, non-solder type connector included • Suggested mount: M101 • 5 Year warranty Specifications Frequency Range Gain Average Housing Impedance Max. Input Power Polarization Elements SWR Cable Supplied Connector DC Ground Warranty Marine VHF Band, 162 MHz, +-3MHz @ 2.0:1 3dB 4’ Fiberglass with Stainless Steel Ferrule 50 Ohms 50 Watts Vertical Brass & Copper Nominally 1.5:1 at 162MHz 20’ RG8/X FME, non-solder type included Grounded: The antenna will read shorted on continuity test 5 Years
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