3' AIS Antenna 236-SWIn conjunction with the USCG Automatic Identification System (AIS) requirements for commercial vessels, Digital Antenna created a slim, low profile AIS antenna that meets the exacting AIS frequency requirements. Designed with a low 1.5:1.0 SWR ratio from 159-162 MHz for use with AIS transceivers, Digital Antenna's low profile AIS antenna features a durable stainless steel whip and completely sealed coil base. The 236-SW antenna offers easy and versatile mounting with the included 15' cable and L bracket or it can be U-bolted, bulkhead or thru-hole mounted. Its compact design makes this antenna compatible for use on any boat.All of our antennas are made in the USA, assembled, tested and tuned by hand for maximum performance, quality and durability.Features:Durable stainless steel antenna mastVersatile low profile mountingWide bandwidth for AIS requirementsQuick disconnect antenna mastCompletely sealed coil base3dB gain200 Series: 236-SWMount: Stainless steel L-bracket for side mountingConnector: UHF female (SO239)Cable: Includes 15' of RG-58 cable with attached PL259 connectors