Digital Antenna 4' AIS Antenna - White. This AIS Antenna from Digital Antenna is constructed of quality materials and offers unmatched durability and performance. The Digital Antennas AIS Gold Antenna is designed with fiberglass radodes low-resonance electronic components and high-gloss urethane finishes. It meets all of the requirements necessary for commercial vessels fitted with an AIS transponder. For a great way to make sure you are working with some of the best antennas the marine industry has to offer choose the Digital Antennas AIS Gold Series AIS Antenna. Specifications for Digital Antenna 876-SW 4' AIS Antenna: Manufacturer: Digital Antenna Color: White Fabric/Material: Fiberglass Features of Digital Antenna 876-SW 4' AIS Antenna Antenna Band: AIS Cable Length (Feet): N/A Color: White Construction: Fiberglass DB Gain (dB): 4.5dB Ferrule Type: Stainless Steel Length (Inches): 4' Package Contents: Digital Antenna 876-SW 4' AIS Antenna Digital Antenna 876-SW: 876-SW 4' AIS Antenna - White